Seminars

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.

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.

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.

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.

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.

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.

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.

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.