IFA Lunch Dialogue Series

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.

Prof. Dr. Florian Haase is a German-qualified Attorney-at-Law, Certified Tax Lawyer and Tax Advisor, Master of International Taxation and Partner of the international law, tax and accounting firm Rodi & Partner. He heads the International Tax Practice Group and the Tax Knowledge Management Team of Rodi & Partner Germany. Prof. Haase specializes in tax structurings of acquisitions, corporate reorganisations and restructurings, complex financing models as well as private equity and real estate transactions, each with a special focus on international and cross-border issues. He has a particular expertise in. transfer pricing, relocation issues, the taxation of closed­end and open investment funds and tax litigation. Prof. Haase has written numerous articles in domestic as well as international handbooks, journals, periodicals and newspapers on (national and international) tax law issues. Prof. Haase is Co-Editor of "The Oxford Handbook of International Tax Law" (2023) and author of a well­r.eceived book in German on the competition of tax jurisdictions. Moreover, Prof. Haase is the editor of standard academic commentaries to important German tax law statutes, like the German Foreign Tax Act and Double Tax Treaties, the German Investment Tax Act and the German Reorganization Tax Act. He is also the author of four well-received handbooks on German CFC-Rules, the taxation of open-ended investment funds, the taxation of international partnerships and the taxation of intellectual property, as well as the author of a book on International and European Tax Law and an accompanying book with cases. Prof. Haase is a Professor of Tax Law at IU International University, a frequent lecturer• in international and European tax law and a sought-after speaker and panelist on domestic and international conferences. 

Jérôme Monsenego is Full Professor of International Tax Law at Stockholm University, Research Fellow at the Centre for Transfer Pricing and Income Allocation at the University of Amsterdam, and representative of the European Association of Tax Law Professors on the European Commission’s Platform for Tax Good Governance. He serves as General Reporter for the 2027 IFA Congress in Stockholm and was previously Chairman of the Swedish branch of the IFA.

Edwin is Dep. Global Tax Policy leader and tax policy leader for the EMEA region and of PwC Europe. His practice includes representing PwC in tax policy matters (e.g. with the EU institutions and the OECD), sharing his and PwC’s vast experience and insights with policymakers to help improve tax, legal and regulatory systems for the future. He provides tax policy advice to companies and strategic advice to boardrooms to help shaping sustainable tax strategies. He’s member of the board of directors of Tax Foundation Europe and Treasurer of Global IFA.

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.

Further details about the speaker will be announced soon.