Seminars

Paul Oosterhuis is an internationally recognized senior tax practitioner with extensive experience in cross-border mergers and acquisitions, post-acquisition integration, spin-offs, internal restructurings and joint ventures. He also represents multinational companies in nontransactional international tax planning and assists clients in resolving high-stakes, complex tax controversies.

Wolfgang Schön is the Director of the Department of Business and Tax Law at the Max Planck Institute for Tax Law and Public Finance in Munich and Honorary Professor at Munich University. Before joining the Max Planck Society in 2002, Schön held full professorships at the University of Bielefeld (1992 – 1996) and the University of Bonn (1996 – 2002). Wolfgang Schön has been a visiting professor at Tilburg University, Vienna University of Business and Economics, NYU, Columbia University, University of Pennsylvania, University of British Columbia, the Universities of Antwerp and Liège and Bocconi University (Milan). 
He was a Member of the Board of Trustees of the International Bureau of Fiscal Documentation (Amsterdam) and is an International Research Fellow at the Oxford University Centre for Business Taxation. He was Chairman of the Board of the European Association of Tax Law Professors, Chairman of the Scientific Committee of the German Tax Law Association and the Vice-Chair of the Permanent Scientific Committee of the International Fiscal Association. 
From 2008 – 2014 he served as Vice President of the Max Planck Society, from 2014 – 2021 as Vice President of the German Research Foundation. 
  

Dr Niv Tadmore is a tax partner at Jones Day based in Melbourne. He has more than 25 years’ experience in the conduct, resolution, and litigation of large-scale tax disputes, with a strong focus on international tax, including transfer pricing, intangibles and royalties, and treaty issues. His 2004 doctorate examined the taxation of the then emerging digital economy. Niv is President of the Australian Branch of IFA and the founding Chair of the IFA Supervisory Board. He has served on key ATO and Australian Treasury working groups and sits on the Melbourne University Tax Advisory Board and the NYU International Tax Program Practice Council.

Alice Robertson is an Associate at Jones Day based in Melbourne. She assist clients on tax disputes across the full dispute lifecycle, from early engagement with tax authorities through to litigation. Alice has experience across a wide range of tax matters, including corporate tax, transfer pricing, diverted profits tax, withholding tax, and the application of general anti-avoidance rules. Prior to joining Jones Day, Alice represented the Australian Taxation Office in tax disputes at all levels of the Australian courts and before the Administrative Review Tribunal (formerly the Administrative Appeals Tribunal), including in large and complex litigation matters.

Rebecca Oakes Burch serves as Deputy Assistant Secretary for International Tax Affairs at the U.S. Department of the Treasury. In that role she is the top US delegate on tax matters at the Organization for Economic Development and Cooperation (OECD). At home, her portfolio also includes Treasury guidance on U.S. international tax rules and treaties. She began her career as a tax attorney in the Internal Revenue Service Office of Associate Chief Counsel (Corporate) where she served for 10 years focusing on all aspects of corporate and partnership tax matters. She brought that expertise to private practice in the EY Transaction Tax Services practice, specializing in corporate reorganizations. Prior to joining U.S. Treasury, she was a managing director with Washington Council E&Y, where for nearly ten years she assisted clients on tax policy matters before Congress, the regulatory agencies and at the OECD.  She has a Masters in Tax from Georgetown Law School, a law degree from Loyola University in New Orleans, and an undergraduate degree in philosophy from Loyola University in Chicago. 

Asma is an Executive Partner at Forvis Mazars in Morocco and the Regional Tax Leader for Africa and Middle East. She brings over 24 years of extensive experience in international tax, transfer pricing, tax structuring and M&A tax, during which she has advised Moroccan, African, and multinational companies on their tax projects.

At Forvis Mazars, Asma has held several key leadership roles. In her capacity as Regional Tax Leader, she is dedicated to empowering African and Middle East tax professionals to deliver exceptional tax services and coordinate regional tax projects;

Asma is Chairing the Moroccan Branch of the International Fiscal Association since February 2024 and she is a founding member of the We4She association, a Moroccan network that promote gender equality within Moroccan companies and women’s representation in leadership roles.

Asma is a Chartered Public Accountant and a member of the Moroccan Board of Public Accountants. She holds an LL.M in International Tax Law from King's College London and an Executive MBA from Mazars University.

She is a recognized speaker on international tax matters, having authored numerous publications and participated in various national and international forums and events.

Further details about the speaker will be announced soon.

Fiona Dillon is the Chief Tax Counsel at the Australian Taxation Office (ATO). She is accountable for forming the ATO view of the tax and super laws, resolving the ATO’s most significant tax technical issues, accountable for the technical positions put before Australian Courts and for the ATO’s public advice and guidance. 

Fiona previously served as Minister-Counsellor (Taxation) in the Australian delegation to the OECD based in Paris and spent a number of years in private practice.

Fiona is an admitted Australian legal practitioner, a Chartered Tax Advisor and holds a Bachelor of Commerce, Bachelor of Laws with Honours, and a Master of Taxation.

Dr. Mart van Hulten is Associate Professor of Tax Law at the Fiscal Institute Tilburg (FIT) of Tilburg University, the Netherlands. His work sits at the intersection of European and international tax law, corporate taxation, and the broader societal role of tax systems, with a particular focus on sustainability, innovation, and well-being. At Tilburg University, he teaches courses in corporate tax law and European and international taxation at both undergraduate and graduate levels, and supervises student research.

Dr. Van Hulten obtained his PhD in 2019 at Tilburg University with a dissertation titled ‘Aiming for Well-Being through Taxation: A Framework of Caution and Restraint for States’. His research also expands into areas such as environmental taxation, the instrumental use of tax policy, and the relationship between taxation and sustainable development goals. His scholarly output includes articles, case notes, and book chapters, and he is a frequent speaker at international conferences and academic eventsand guest lecturer at other universities.

In addition to his academic work, Dr. Van Hulten contributes to professional and policy discussions through roles such as commentator for EU Law Live and participation in various organizations aimed at fostering international tax law. He is a member of the Dutch Association of Tax Advisors and remains engaged in practice-oriented activities, including his role as tax lawyer (Counsel) 
at Lubbers, Boer & Douma, a tax boutique in the Netherlands with specialized knowledge of (inter)national and EU tax law, mainly focused on tax (second) opinions and tax dispute resolution.

Prof. Emer. Chang Hee Lee of the Seoul National University School of Law is a Senior Advisor at Shin & Kim and a director of Shin & Kim Centre for Corporate Strategy and Taxes, mainly practicing in the areas of General Tax Consulting, M&A, and Corporate Accounting. He received the LL.M. and the S.J.D. degrees from the Harvard Law School in 1991 and 1994 under the supervision of Prof. Alvin. C. Warren, and has taught taxation for over 30 years in the Seoul National University School of Law, the Harvard Law School, the NYU Law School, the University of Tokyo and other places around the world. Before the teaching career, he practiced law and accountancy for over 8 years in Seoul and Washington DC. He was a general reporter for the IFA 2018 Seoul Congress for the subject of “Withholding Tax in the Era of BEPS, CIVs and digital economy.”

His writings are mostly in Korean, including treatises of Tax Law Lectures, International Taxation and U.S. Corporate Taxation. He also published many articles in English in the U.S., Europe, Japan and Korea. One of the more influential articles, a 1999 Tax Notes publication addressing the advent of the then emerging new technology of e-commerce, the digital economy in the current parlance, is included in the International Tax Law edited by Prof. Avi-Yonah.

Prof. Lee served in many committees of the Ministry of Economy and Finance, the National Tax Service, the Financial Supervisory Service, the Korean Accounting Standards Board, the Korea Exchange etc. As an independent director of POSCO for six years, he was the Board Chairman and the Audit Committee Chairman. He was honoured with the Red Stripes Order of Service Merit in 2012 by the Korean Government.

Jim is the Group Head of Tax for Nestle SA based in Switzerland with subsidiaries operating in over 135 countries and sales into almost every global market. His tax expertise spans over 30 years and includes sectors like food and beverage, oilfield services, and industrial conglomerates. Throughout his career, Jim has gained extensive experience in all facets of taxation - both in direct and indirect taxes, encompassing tax operations, strategic tax planning, mergers and acquisitions, and managing tax disputes.

Jim's career in taxation has involved positions at PricewaterhouseCoopers, Tyco International Ltd., Weatherford International PLC, and Nestle. He was the Vice President of Tax Reporting at Tyco and led the tax department at Weatherford before joining Nestle as the US Head of Tax in 2018. He progressed to Head of Tax for Nestle Zone North America in 2022 and then became the Group Head of Tax at the Nestle headquarters in Vevey in 2023.

Jim also has a strong academic background in accounting, law and taxation with credentials as a Certified Public Accountant, J.D. from the University of Connecticut School of Law, Master's in Taxation from the University of Hartford, and Bachelor of Science in Business Administration from the University of Connecticut. Jim has spoken at many events over the years covering areas of tax operations, tax technology, tax transparency, and tax incentives. 

Further details about the speaker will be announced soon.

Professor Miranda Stewart LLD is a Professor specialising in taxation law at the University of Melbourne Law School and a Visiting Professor at New York University School of Law, where she directs the International Tax program. Professor Stewart is also an Honorary Professor at the Tax and Transfer Policy Institute, the Crawford School of Public Policy, Australian National University. Professor Stewart researches and teaches on a range of international and domestic tax law topics, including her leading book Tax and Government in the 21st Century (2022, Cambridge University Press).

Edoardo Traversa is Professor of Tax Law at UCLouvain (Belgium), where he currently serves as Dean of the Faculty of Law and Criminology. Alongside his appointment at UCLouvain, he is Visiting Professor at KU Leuven, WU Vienna and the University of Luxembourg, and Lecturer at the University of Oxford. He also maintains an active legal practice at the Brussels Bar as Of Counsel with the Arteo law firm. His academic and professional practice focus on European and international taxation, EU indirect taxation — particularly value added tax — environmental taxation, constitutional tax law, and tax policy. Over the years, he has been closely involved in policy-making processes, serving on several advisory bodies for both European and Belgian institutions, including the EU VAT Expert Group, the EU Platform for Good Tax Governance, and the Belgian High Council of Finance. He was voted Tax Professional of the Year in Belgium in 2024.
He regularly authors or edits scientific publications. His recent and forthcoming works include Abuse of Law in European Taxation (with W. Schön and I. Richelle, 2025), the third edition of the Handbook on Value-Added Taxation: Belgian and EU Law (with M. Lamensch and Ch. Herbain, forthcoming 2026, French edition), and the second edition of the Research Handbook on European Taxation Law (with W. Haslehner and Chr. Panayi, forthcoming 2026).

Full Professor of Tax Law at the University San Pablo-CEU (Madrid, Spain). Permanent Academic Member of the Spanish Royal Academy of Jurisprudence and Legislation and Chair of its Financial and Tax Law Scientific Section. She specializes in environmental and energy taxation and in EU Law. Her research activity is reflected in the direction of national and European research networks and projects, doctoral theses and scientific congresses, as well as in more than 150 publications in books, specialized journals and book chapters that have covered several issues of tax law, mainly in its international and interdisciplinary dimension. She leads the research group on Taxation, Climate Change and Digitalization (DIGICCTAX). She has been Visiting Researcher at the Universities of Georgetown, WU Vienna and the KU Leuven. On a regular basis, she teaches numerous postgraduate and specialization courses, conferences and seminars in national and international forums. She has been part of the Commitee of experts for the elaboration of the Spanish White Paper on Tax Reform (2022) for the necessary adaptation of the Spanish tax system to the economic reality of the 21st system and has participated in the COP25 in Madrid as a member of the Holy See´s delegation (2019). She also is an active member of international scientific and professional associations related to tax law. She is the chair of the Supervisory Board of Central IFA.

Dr. María del Carmen Cámara Barroso is an Associate Professor at Universidad a Distancia de Madrid (Spain). She is a member of the Spanish Royal Academy of Jurisprudence and Legislation and of its Financial and Tax Law Scientific Section. Her research focuses primarily on environmental and energy taxation, as well as international tax law. She has an extensive academic record, reflected in numerous publications, including peer-reviewed articles, book chapters, and books. She has participated as a researcher in various projects and research contracts and has co-supervised a couple of doctoral theses. She has presented her work at leading national and international conferences, such as the Global Conference on Environmental Taxation, the WU Tax Law Technology Conference, the Postdoctoral International Tax Forum (PITF), or the Meeting of the Spanish Red de Profesores de Derecho Financiero y Tributario. Her academic career includes research stays at prestigious institutions such as the Università di Bologna, the International Bureau of Fiscal Documentation, the Institute for Fiscal Studies of the Spanish Ministry of Finance, and the Università di Trento. In addition, she has participated as a visiting professor at renowned universities, including Universidad Autónoma de Madrid, Università di Ferrara, and Università degli Studi di Napoli Federico II.

Daniela is a Peruvian lawyer graduated from the University of Lima. She holds an MBA from Universidad del Pacífico in alliance with Esade Business School and a diploma in Mining Law, Management and Socio-Environmental Responsibility from Universidad del Pacífico.

Daniela is also a faculty member, teaching the Tax Planning course in the Master’s program in Taxation at the University of Lima.

She has wide professional experience providing tax assistance services to Peruvian and multinational companies dedicated to mining, electricity, energy and services in general. Her work comprises legal and tax advice, private investment advice, tax due diligence, tax structuring of M&A and defense in tax audits performed by the Tax Administration. 

Daniela is currently the lead partner of the tax consulting department at PwC Peru and also the tax leader for energy, utilities and resources (EU&R) in the Latin America region of PWC.

She has worked in the international tax area of PwC in Santiago de Chile, as part of a global mobility program. Daniela is a member of the Lima Bar Association, the Peruvian Institution of Tax Law and the International Fiscal Association.

Alison Futter is a Senior Lecturer at the University of Cape Town (UCT), where she is a convenor (together with Prof Johann Hattingh) for the Master of Commerce/Master of Laws degree in International Taxation. Alison holds a PhD in Taxation.

She has over 20 years of international tax experience with expertise in the extractive industries. The first half of her career was in tax consulting at Ernst & Young Cape Town, and thereafter she served as the Head of Tax and Acting CFO for South Africa’s National Oil Company.

Alison is a published author of 2 books and a chapter in the IGF’s Future of Resource Taxation Handbook. She has contributed to a number of journals and other publications on tax matters including publications issued by Intertax and the IBFD.

Alison’s PhD Thesis contrasts the South African domestic double taxation relief with the relief under the tax treaties (including the impact of the MLIs) as part of Action 6 from the OECD BEPS Report. The case studies and economic modelling in support of her thesis cover South Africa, Ghana, Nigeria, Egypt, and Equatorial Guinea.

Nina Legaard Kristensen is Attorney at Law at Gorrissen Federspiel, one of the leading full-service law firms in Denmark.

Throughout her career, Nina has worked with a broad range of legal issues related to taxation and she has built a solid experience in matters of direct and indirect taxation. She specialises in tax matters relating to EU tax law and international tax law, including in the context of energy taxation.

She has an extensive experience with policy considerations in relation to the design of tax measures from her work in the Danish Ministry for Taxation (2014-2025) where she was latest acting as Chief Counsel of International Affairs and with the European state aid framework from the European Commission (DG COMP) to which she was earlier seconded as a national expert (2017-2018).

Nina holds an LL.M. degree in International Taxation from King's College London (2014) and an LL.M. degree from Aarhus University (2009).

Janet E. Milne is Professor of Law and Director of the Environmental Tax Policy Institute at Vermont Law School, USA, where she has taught environmental taxation since 1994. She has written extensively about environmental taxation. She authored the Advanced Introduction to Environmental Taxation (Edward Elgar 2026), co-edited the Handbook of Research on Environmental Taxation (2012, 2nd edition forthcoming) with Mikael Skou Andersen, and is a co-editor of the book series, Critical Issues in Environmental Taxation. Janet is on the International Steering Committee of the Global Conference on Environmental Taxation and a member of the United Nation’s Subcommittee on Environmental Taxation Issues. Before joining the law faculty, Janet was tax legislative assistant to US Senator Lloyd Bentsen, Chairman of the US Senate Committee on Finance, an attorney at Covington & Burling in Washington, DC, and an in-house lawyer for The Washington Post. She received her degree from Georgetown University Law Center and clerked for Frank M. Coffin, Chief Judge of the US Court of Appeals for the First Circuit.

Further details about the speaker will be announced soon.

Caroline Silberztein heads the French international tax and transfer pricing group of Baker McKenzie and is a member of the Firm’s EMEA Steering Committee on Transfer Pricing. 

She assists large multinational enterprises from a broad range of industries with TP risk assessment and management, planning, business and supply chain restructurings, audits, dispute resolution and advance pricing agreements. Her main areas of expertise relate to complex transfer pricing issues, business restructuring, TP aspects of intangibles including issues around migration of DEMPE functions, Cost Contribution Arrangements / Cost Sharing Arrangements, and TP in emerging markets.

Caroline is nominated on the list of independent persons of standing authorised to serve as arbitrators for the application of the European Arbitration Convention and of the EU Directive. 

She is also a regular contributor of articles in international tax magazines and a lecturer in several Universities. 

Prior to joining Baker McKenzie, Caroline was the Head of the Secretariat to OECD Working Party No. 6 on Transfer Pricing Unit, from 2001 to 2011. In this capacity, she led the Organisation’s work that culminated with the adoption of the 2010 Transfer Pricing Guidelines, including the amendments made to the chapters on comparability and TP methods and the addition of the new Chapter IX on busisness restructuring, and initiated the work on the revision of Chapter VI on Intangibles. During her tenure at the OECD, she was actively involved in policy dialogue with OECD and non-OECD economies. She was an Observer to the EU Joint Transfer Pricing Forum and a member of the United Nations Transfer Pricing Committee for a decade.

Eline Gueudré joined Baker McKenzie's Paris International Tax and Transfer Pricing team as an associate in 2023; she isadmitted to the Paris Bar.

She advises leading global and local clients on international tax matters and transfer pricing, planning and defense across a range of industry sectors, including healthcare and pharmaceuticals, consumer goods, luxury, and digital economy. She assists clients with international tax planning, design and implementation of transfer pricing policies for multinational enterprises, advance pricing agreements, tax audits and mutual agreement procedures.

Eline has also written several articles published in French specialized press.

Eline holds an LLM in Law & Tax Management from EDHEC Business School, a post graduate degree in Business Law from the Catholic University of Lille and a Post graduate degree in Management from EDHEC Business School.

International Tax and Transfer Pricing Partner at DLA Piper in Frankfurt, Germany. He is a Certified Tax Advisor in Germany and a Chartered Accountant in Australia and is a registered foreign lawyer at the Solicitors Regulation Authority (SRA) in the UK. He holds a Master and Doctorate degree in (international) taxation from the European Business School in Germany and has more than 30 years of experience in advising multinational companies in all kinds of tax matters in Germany with a special focus on transfer pricing controversy including litigation in German tax courts. He is an I.F.A. member since 1999 and his doctoral dissertation on the suggested modification of the arm's length principle received an honourable mention at the 2000 I.F.A. Congress. 

Further details about the speaker will be announced soon.

Jerome is a globally sought-after tax specialist in international taxation and tax controversy and leads Malleson’s transfer pricing practice. He advises multinational and Australian businesses, with a particular skill in resolving seemingly intractable disputes with the ATO and state tax regulators. Clients often call on him to provide case leadership or a strategic second review of “bet the company” tax matters.

Jerome is at the cutting edge of tax policy, administration and governance, combining client advocacy with a focus on keeping Australia’s tax settings economically competitive in the global economy. He is regularly asked to present at conferences worldwide, including for the International Fiscal Association, the ABA Tax Section, the International Bar Association, the Law Council of Australia and The Tax Institute. He has led and worked on seminal matters, including the Chevron and Glencore transfer pricing cases, as well as numerous administrative law, tax law and privilege disputes, including matters before the High Court of Australia.

Jerome leverages his stakeholder relationships to achieve the best outcomes efficiently. He is known for his measured approach, practical insights and expertise in improving the tax system at the highest levels of government. He is the immediate past co-chair of the ATO’s National Tax Liaison Group, a past President of The Tax Institute, and the Australian reporter on tax for the International Bar Association’s Tax Division.

Rachel is Head of IBFD’s Asia-Pacific Office in Kuala Lumpur, Malaysia, and serves as Chair of the IFA Malaysia Branch. Her work focuses on cross-border tax issues in the Asia-Pacific region, informed by experience spanning tax administration and tax policy, with particular attention to the practical challenges faced by developing and emerging economies.

She regularly teaches on IBFD’s international tax training programmes and at the Malaysian Tax Academy, and has contributed as an instructor to initiatives of the Asian Development Bank, the OECD, and regional technical assistance programmes, including in Cambodia, Hong Kong, Indonesia, and Myanmar. Rachel is a frequent speaker at IFA and other regional tax conferences and professional forums.

Further details about the speaker will be announced soon.

Marine is a French tax lawyer who co-founded Arkwood, a boutique law firm dedicated to private clients in a cross-border environment.

She has developed a recognized expertise in the taxation and compliance of trusts and assimilated entities, the structuring French real estate properties for non-French tax residents, the relocation of private clients and in advising insurance companies providing products to the French market.

She was previously a partner at Baker & McKenzie in Paris until 2015.

She is a member of STEP (Society of Trusts and Estate Practitioners) and the IBA (International Bar Association).

She is ranked in Band 1 in the High Net Worth guide for France by Chambers & Partners for several years and has also stood among the “Thought Leader” in Who’s Who Legal Guide for Private Clients for France category.

Further details about the speaker will be announced soon.

Remo Keller is a Partner at Pestalozzi and a Swiss Certified Tax Expert based in Zurich. He advises corporate and private clients on Swiss and international tax matters, with a particular focus on corporate tax, cross-border structuring, M&A transactions, relocations, and individual tax residence.

A particular area of his practice is advising high-net-worth individuals and internationally mobile individuals on residence-related tax issues, including relocation, succession planning, and cross-border tax structuring. His work regularly involves questions of tax residency, tax rulings, and the interaction between domestic and international tax rules.

Remo Keller brings more than fifteen years of experience across both the private and public sectors. Before joining Pestalozzi, he served as a Tax Director at a Big Four firm and as Deputy Head of the Cantonal Tax Administration Basel-Landschaft. This background allows him to combine technical expertise with a practical understanding of how tax matters are assessed by both taxpayers and authorities.

In addition to his advisory work, he regularly speaks on international and Swiss domestic tax topics and teaches tax law at Kalaidos University of Applied Sciences.

Further details about the speaker will be announced soon.

Professor of wealth taxes in the postgraduate program in Taxation at the Catholic University of Argentina.

Professor of tax strategy in the Digital Business degree program at the University of San Andres, Argentina.

Researcher at the Argentine Association of Fiscal Studies having published several articles on tax matters.

Reporter for Argentina in the 2024 Cape Town Congress Subject 1: Finding the meaning of nexus for taxes – past, present, and future.

Lecturer and facilitator of tax courses in Argentina and other countries.

Certified Public Accountant and tax advisor providing consulting services to companies and high net worth individuals for more than 30 years.

Partner of EY Argentina in the business tax advisory & global compliance and reporting division 

Jonathan Schwarz is an English and Irish Barrister at Temple Tax Chambers, as well as a member of the Alberta Bar and a South African Advocate. His practice focuses on international tax disputes as counsel and as an expert and advises on solving cross-border tax problems.

He is a Visiting Professor at the Dickson Poon School of Law, King’s College London where he is Programme Director of the International Tax Law LLM.

He is the author of Schwarz on Tax Treaties and Schwarz: Residence and UK Taxation among other publications. In Chambers Guide he is commended for his ‘encyclopaedic knowledge of double tax treaties’ and described as “clearly amongst the best international tax barristers”. In Lexology (Who's Who Legal) UK Bar he is lauded for his “brilliant” handling of cross-border tax problems.

Recent cases in which he has appeared include: Skatteforvaltningen (Danish Customs and Tax Administration) v Solo Capital Partners LLP [2023] UKSC 40- Revenue Rule principle that courts of one country do not enforce foreign tax laws; 59TACD2024 - The first Irish transfer pricing appeal; Oracle Corporation Australia Pty Ltd v Commissioner of Taxation [2025] FCAFC 145 - first case on the MLI and the relationship between domestic remedies and MAP/arbitration.

Further details about the Chair will be announced soon.

Richard Vann is Professor Emeritus at the University of Sydney Law School and has taught at law schools at Harvard, NYU, London, Oxford and elsewhere. Richard has worked in the past at the IMF and OECD and held many Government consultancies around the world. He was a consultant for Greenwoods & Herbert Smith Freehills in Sydney since 1985 and moved to PwC when it acquired Greenwoods in 2022. Richard is a life member of IFA, having previously been a member of the PSC 2005-2009, chair of the IFA/OECD seminar at the Annual Congress 2010-2014, and inaugural chair of the IFA Asia-Pacific regional 2015-2016. Richard specialises in tax reform and corporate and international taxation on which he has published widely both in Australia and internationally.

Further details about the secretary will be announced soon.

Further details about the speaker will be announced soon.

Ruud De Mooij is Deputy Director in the International Monetary Fund’s Fiscal Affairs Department, where he previously headed the Tax Policy Division. He has extensive experience in providing capacity development on tax policy issues in over 25 countries. Before joining the International Monetary Fund, De Mooij was Professor of Public Economics at Erasmus University in Rotterdam. He has published extensively on tax issues, including in the American Economic Review and the Journal of Public Economics. De Mooij is research fellow at the University of Oxford, the University of Bergen, ZEW in Mannheim, and member of the CESifo network in Munich.

Guglielmo Maisto founded Maisto e Associati in 1991. He is Honorary President of the International Fiscal Association (IFA).  

He is a Professor of International and Comparative Tax Law at the Università Cattolica di Piacenza, member of the Practice Council of New York University (NYU) Law’s International Tax Program and member of the Board of the American Chamber of Commerce in Italy. In 2023 he was appointed by the Ministry of Economy and Finance as member of the Technical Committee established for the implementation of the Italian Tax Reform. He is one of the independent persons of standing eligible as a member of the Advisory Commission provided for in the EU Directive on Tax Dispute Resolution Mechanisms in the European Union. He was President of the International Fiscal Association (IFA) and member of the Board of Trustees of the International Bureau of Fiscal Documentation (IBFD) in Amsterdam. He acted as a consultant to the Ministry for European Community Affairs and was a member of the EU Joint Transfer Pricing Forum. He is a member of several law societies and of the editorial board of various Italian and foreign tax legal journals. He usually participates as speaker to several annual tax conferences.  

Juan David Velasco is a Partner at Baker McKenzie, where his practice sits at the intersection of transactional tax, international tax, and private wealth law. He advises multinational private and public companies, private equity and venture capital firms, across a variety of industry sectors and single and multi-family offices and private clients on complex cross-border tax and private wealth structuring.

He has played a prominent role in the International Fiscal Association (IFA), having served as President of IFA Colombia, as a member of the Executive Committee of IFA LATAM, and as Vice Chair of the global IFA Young IFA Network (YIN). In these roles, he has been actively involved in expanding high-level technical dialogue globally.

Mr. Velasco is frequently invited as an expert speaker and panelist to address complex international tax matters, including tax policy, cross-border transactions, and international M&A, combining legal analysis with a strong business perspective.

He is a Professor of Practice at Universidad de Los Andes (Colombia) and is consistently ranked Band 1 by Chambers & Partners. Admitted to practice law in Colombia. He holds an MBA from the University of Oxford (Exeter College), an LL.M. in Taxation from Boston University School of Law, and an M.A. International Law, from The Fletcher School of Law and Diplomacy at Tufts University.

Attorney at Law (Venezuela). LL.B., Andrés Bello Catholic University; LL.M. (Adv.) in International Tax Law, Leiden University. Managing Senior, IBFD Knowledge Centre (Amsterdam), Latin America Knowledge Group. Responsible for global research and monitoring tools, including the Digital Taxation Monitor and the BEPS Country Monitor, which track worldwide developments in 
the taxation of the digitalized economy and the implementation of BEPS measures across jurisdictions.

Chair, YIN IFA Latin America (2025–2027). Active member of IFA, with a leading role in YIN regional coordination and crossborder initiatives. Regular participant in academic congresses and events, serving as chair and speaker in technical sessions and contributing to the development of international tax dialogue. 

Author and co-author of publications in international taxation, including IBFD books, white papers and journal articles, focusing on BEPS implementation, tax incentives and the taxation of the digitalized economy. Contributor to the IBFD Taxation of the Digital Economy Handbook (2026), authoring a chapter on Digital Services Tax.

Former Associate, Norton Rose Fulbright (Caracas), advising multinational clients, primarily in the oil and gas sector, on international tax planning, tax controversy and litigation. Diploma in Tax Technology, Chartered Institute of Taxation. 

Sahel A. Assar's experience sits at the intersection of U.S. tax law, wealth management and the evolving digital asset landscape, with over two decades of experience guiding ultra-high-net worth individuals, multinational institutions and financial institutions through complex international tax and regulatory environments. Ms. Assar currently serves as a Shareholder at Buchanan Ingersoll & Rooney, where she chairs the Blockchain and Digital Asset Practice Group. Her work spans the legal, regulatory, and policy dimensions of emerging financial infrastructure, tokenization and DeFi. Prior to joining Buchanan, Ms. Assar held senior legal and advisory roles across global financial centers. As a private banker and trusts and estates strategist at Credit Suisse in Zurich and managing attorney of her own firm, she led cross-jurisdiction legal teams in high-stakes trust recovery cases across Europe, the Middle East, and Asia. Earlier positions with Baker & Mckenzie, Akin Gump, KPMG Washington National Tax contributed to her broad technical foundation in cross-border planning and enforcement. Ms. Assar is frequently quoted by major outlets, including the Wall Street Journal, Bloomberg, Business Insider, Law360, Daily Tax Report, where her analysis has helped shape public understanding of IRS enforcement trends, OECD regulatory frameworks, and the fiscal policy landscape affecting digital assets. Additionally, Ms. Assar is a sought-after speaker and moderator for outlets covering digital assets and tax law, hosted by the American Bar Association, International Fiscal Association, Wharton School, Brookings, and others. Ms. Assar holds two LL.M. degrees from Georgetown Law and has been recognized in The Best Lawyers in America (2023-2025) for tax law. Fluent in French, Farsi, English, and semi-fluent in German and Spanish, with a global perspective rooted in deep professional and cultural fluency, Ms. Assar is a reliable voice in the dialogue shaping digital finance. During Summer of 2026, Ms. Assar will teach Taxation of Digital Assets as Adjunct Professor of Law at Georgetown University Law Center in Washington, DC.

Dr. Daniela Hohenwarter-Mayr, LL.M., is Full Professor of Tax Law at the University of Vienna, where she holds the Chair of International Business Tax Law and is Director of the Institute for Business Law and Tax Law at the Faculty of Business, Economics and Statistics. She also serves as Academic Director of the LL.M. programme in Tax Law and Accounting at the Postgraduate Centre of the University of Vienna.

Prior to her appointment at the University of Vienna, she was a research associate at the Institute for Austrian and International Tax Law at WU Vienna University of Economics and Business. During her time there, she earned both her doctorate in law and her post-doctoral lecturing qualification (Habilitation), the latter based on a thesis on business succession in tax law.

Her research and teaching focus on international business taxation and European tax law. She has published extensively in these fields and is a frequent speaker at academic conferences and professional events. In addition, she serves on a number of academic committees and professional associations and is, inter alia, one of Austria’s representatives in WIN.
 

Paolo Ludovici has been a partner of GPBL since 2021, following a merger with the firm L&P – Ludovici Piccone & Partners he founded in 2014.

He specialises in tax law, including corporate reorganisations, M&A and high net worth planning, and frequently acts as an expert in criminal and tax proceedings.

He is recognised by Chambers & Partners as Star Individual in the Europe Guide 2026, and Band 1 in Chambers HNWI, as well as Hall of Fame in Legal500 and other leading legal directories.

He regularly publishes and lectures on tax issues and teaches on postgraduate programmes.

He holds several prominent roles in national tax reform and private banking and is a member of key professional organisations.

The participant is a practising lawyer in Indian High Courts and Supreme Court of India in diverse fields of Indian laws and international laws, who specializes in Indian and international Tax laws [Indian Income Tax (including International taxation, DTAA, Transfer Pricing OECD guidelines), Goods and Service Tax Laws, Custom Laws, Anti Black-Money laws, Anti-crime money laws, Benami Prohibition laws] besides Company Laws, Property Laws, Energy Laws,  Environmental Laws and Constitutional Laws. 

He has also been representing the Government of India, Dept of Income Tax and various other important departments of Government of India as a Senior/Special (Standing) Counsel for more than 1 and half decade with an experience of about  2 and a half decades in handling cross-border disputes, Direct & Indirect Taxation cases, Prevention of Money Laundering cases and Anti Black Money Laws cases, Anti-dumping and Antitrust laws cases, Competition Laws cases, Security laws cases; M&A; Technology and Outsourcing; Banking Laws cases, Enforcement Directorate cases, SFIO Matters, Domestic and International Arbitration cases. 

During his vast tenure, he has encountered issues pertaining to International Taxation of MNCs & MNEs from USA, UK, France etc, especially applicability of Advance rulings, Transfer Pricing, International Tax Evasions and the interpretation of DTAAs of India with other nations. 

The nuances of Transfer Pricing stimulate the analytical mind, and the vastness of the prevention of Double Taxation creates a penchant.

India being the fastest growing economy in the world - attracts the big giants from all over the world to invest in India and which generates the diversity of disputes between the collaborations and also pertaining to chargeability of the income, dealing with which the panellist has a the vast experience.

Further details about the speaker will be announced soon.

Ana Paula Dourado is Full Professor at the Faculty of Law, University of Lisbon, where she teaches Tax Law, International and European Tax Law, and serves as Director of the Centre for Research on European, Economic, Fiscal and Tax Law (CIDEEFF). She is Editor-in-Chief of the international journal Intertax (Kluwer), ranked the #1 European Law tax journal and indexed in Scopus.

Professor Dourado has served as an expert in high-level international cases: she was expert witness for the UK Government in a tax court case concerning the UK-Portugal Tax Treaty (2024–25); chaired an arbitration panel between Spain and France under the EU Arbitration Convention on transfer pricing (2023); and is currently member of the Advisory Board of the Portuguese Securities Market Commission (CMVM) (2025). She has also acted as an expert for the IMF, leading tax reforms in Portuguese countries (2003–2013) and co-drafting tax procedure and litigation codes for East Timor (2016).

She represented Portugal in EU and OECD working groups on direct tax harmonization and tax avoidance (1998–2006) and was a member of the EU Platform on Tax Good Governance (2013–2019). She is a founding member of GREIT (Group for Research in European and International Taxation), and coordinates the GREIT Lisbon Summer Course and the Lisbon Seminars on European and International Tax Law.

Professor Dourado has been visiting professor at leading universities worldwide, including New York University, University of Luxembourg, University of Amsterdam, University of São Paulo, Leiden University, WU Vienna, and the Universities of Lausanne and Neuchâtel, among others.

She has authored and edited numerous influential publications on EU and international tax law, including works on BEPS, multilateralism, and mobility of persons and capital. She serves on several international editorial boards and is Vice-Director of the Public Finance and Tax Law Review.

With a distinguished academic and institutional career, Ana Paula Dourado is recognized as one of the leading international experts in European and International Tax Law.

Further details about the speaker will be announced soon.

Further details about the speaker will be announced soon.

Prof. Dr. Xaver Ditz studied economics in Mannheim and Hamburg (1999 Diplom-Kaufmann, 2003 Dr. rer. pol.). He has been a partner with Flick Gocke Schaumburg in Bonn since 2005.

Xaver is a professor at Trier University, lectures at the universities of Zurich (LL.M. programme) and Lausanne (Executive Programs in Transfer Pricing), and at the Federal Financial Academy of the German Finance Ministry.

He co-edits a commentary on double tax treaty law and the German Foreign Tax Act, handbooks on transfer pricing and permanent establishment taxation, as well as journals such as “Internationales Steuerrecht”, “Internationale Steuerrundschau" and “International Transfer Pricing Journal".

Xaver is the chairman of the German branch of the International Fiscal Association, the chairman of the German Institute of TaxAdvisors and a board member of TAXAND. He is also a member of the Foreign Tax Law Committee of the Institute of Public Auditors in Germany.

Carolin Seibert holds a Master of Science in Business Administration from the University of Münster and is currently completing her PhD at the University of Trier. Her doctoral research is in international tax law, with a particular focus on the taxation of intellectual property and the allocation of income derived from it.

Alongside her academic work, Carolin is a tax assistant at Flick Gocke Schaumburg in Bonn, where she specialises in international tax law and transfer pricing. Her work involves advising multinational companies on the application and interpretation of double taxation agreements, the pricing of intra-group transactions, the implications of exit taxation when relocating business functions, and the preparation of applications for advance pricing agreements and mutual agreement procedures.

Carolin also contributes actively to academic and professional debate. She has published articles in leading tax law journals and books, addressing recent developments and emerging challenges in international tax law.

Certified Public Accountant with over 18 years of experience in international taxation and tax technology, holding a postgraduate degree in Taxation from ORT University (Uruguay) and a Master’s in International Taxation from the University of La Rioja (Spain). 

My professional background combines three complementary perspectives: tax policy, corporate tax leadership within a global digital platform, and the development of tax technology solutions. This has provided me with practical insight into how digitalization, automation, and artificial intelligence (AI) are transforming business models and tax systems. 

I currently serve as Chief Tax Officer at Brinta, a leading tax compliance technology company in Latin America, where I work closely with multinational organizations to manage complex obligations such as e-invoicing, tax determination, filings, and real-time reporting across multiple jurisdictions, through AI and other technologies. 

Previously, I was Tax Director for Latin America at PedidosYa (Delivery Hero), where I led tax operations across 16 jurisdictions and nearly 50 legal entities. Earlier in my career, I worked at PwC and I was Tax Advisor of theUruguay’s Ministry of Economy on international taxation and the digital economy, contributing to regulatory developments aligned with OECD BEPS initiatives. 

I am also co-author of “Artificial Intelligence and Taxation” (Editorial Errepar - Argentina 2025) 

Further details about the speaker will be announced soon.

Further details about the speaker will be announced soon.

Estephanie Munar is the Transfer Pricing Leader at Posse Herrera Ruiz in Colombia. She holds a degree in Finance and International Relations from Universidad Externado de Colombia, a Specialization in Tax Law, and is currently pursuing a Master’s Degree in Tax Law at the same institution. With 10 years of professional experience, she advises local and international clients on transfer pricing, international taxation, tax planning, and tax controversy matters.

Before joining her current firm in 2021, she developed her career at a leading global professional services firm, where she gained extensive experience in transfer pricing matters across industries and jurisdictions. Throughout her career, she has advised clients on local and regional compliance projects, planning strategies, and matters involving tax authority reviews and audits.

Her professional profile combines financial, tax, and strategic perspectives, allowing her to provide practical and business-oriented advice on complex cross-border matters.

Anita Nair is a Director in the Tax practice at Deloitte Haskins & Sells LLP, with over 17 years of experience in corporate and international taxation. A Fellow Chartered Accountant, she advises multinational and domestic enterprises on cross-border structuring, tax controversy, and the interpretation of evolving domestic and international tax frameworks.

Her areas of focus are complex international tax issues, including the interaction of tax treaties with domestic law, cross-border investments, and dispute resolution. Anita is an active contributor to International Fiscal Association (IFA). She co-authored the Indian branch report for the IFA Cahier (2024) on “Finding the Meaning of Nexus for Taxes: Past, Present & Future.” She was a panelist at the IFA Congress 2024, where she spoke on the relationship between tax treaties and domestic law, engaging with global perspectives on treaty interpretation and application. She was a panelist on the YIN Panel at the IFA APAC Conference 2026 at Tokyo. She is also a Core Committee Member of IFA India’s Women in IFA Network (WIN).

In addition to her IFA involvement, Anita features on Deloitte Tax podcasts, contributes to technical publications and speaks at professional forums and internal training programmes across India and the Asia-Pacific region. Her work reflects a strong interest in bridging technical tax developments with practical application in a globalised business environment.

Tristan Tan is a Commercial Associate Director at IFM Investors, an Australian fund manager with over A$200 billion in global assets across infrastructure, debt, real estate and listed equities. He is a Tax Legal Practitioner, Chartered Accountant, Chartered Tax Adviser and an AI builder. His career has moved from M&A tax at KPMG Deals Advisory – Tax practice through to tax management at ASX top 20 listed company and now tax transformation and technology leader where he advises the business on tax and AI related strategy and adoption. His experience spans cross-border investment structuring for global institutional capital, international tax for fund vehicles, and transfer pricing, including local file, master file, and country-by-country reporting. He also advises on cross-border positions for global investment structures, including building financial tax models. As a frontier AI user, Tristan passion lies in model orchestration and he has built AI-enabled tools applied to international tax structuring, including the TaxCanvasPro, a canvas-based AI-embedded tool that produces instant tax analysis and entity establishment checklists for multi-jurisdictional structures. He serves as an advisor to Empathetic AI, the creator of Australia's first tax copilot, and to AIBUILD, an Australian AI development company partnered with the University of Melbourne. He has contributed to a research paper on AI agent evaluation published in the Journal of Systems and Software and writes on practical AI for Chartered Accountants ANZ's Acuity publication. He also speaks regularly at industry conferences on AI applications in tax and has trained thousands of senior practitioners across Australia, EMEA, and North America in practical enterprise AI use. He holds AI certifications from Anthropic, Microsoft, and Google, and is a member of LegalQuants, a global community of AI-native legal and tax practitioners.