11 to 13 March, 2026 — Madrid, Spain
Emerging Trends in International Taxation: Europe and Its Global Connections
This academic congress brings together leading experts, scholars, and practitioners to explore key issues in international taxation. Through a series of thematic panels, we will analyze the challenges of globalization, sustainability, and innovation in tax systems, while discussing pathways for fairer and more effective fiscal policies.
- Welcome
Wednesday 11 March, 16:00 – 16:15
Abelardo Delgado President of IFA Spain
Daniel Bader President of the IFA European Region
Natalia Quiñones President of IFA - Opening Panel
Wednesday 11 March, 16:15 – 17:30
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Achim Pross Deputy Director, OECD Centre for Tax Policy and Administration
Benjamin Angel Director, European Commission (EU)
Jorge Ferreras Deputy Director of Tax Policy, Directorate General for Taxation
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CHAIR
Adolfo Martín Jiménez Chair of the Permanent Scientific Committee of IFA - Panel I
Wednesday 11 March, 17:30 – 19:00
Tax and Social Security challenges in crossed border mobility: commuting, international secondment and working from home
Exploring the tax implications of a more mobile global workforce, including expatriates, digital nomads, and multinational employees. This session will address compliance, double taxation treaties, and policy responses to increasing global mobility.
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CHAIR
Guglielmo Maisto Founder of Maisto e Associati – Professor of International and Comparative Tax Law at the Catholic University of Piacenza / Italy
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PANELISTS
Giorgia Maffini Special advisor at PWC / United Kingdom
Joao Felix Pinto Nogueira Professor at the Portuguese Catholic University, IBFD / Portugal
David Vilches Counsel at Uria / Spain
Frank Pötgens Professor at Vrije Universiteit Amsterdam, Tax Lawyer, Partner at De Brauw Blackstone Westbroek / The Netherlands
Katerina Perrou Lawyer/Tax Professor/ Greece - Panel II
Thursday March 12, 9:30 – 11:00
Environmental Taxation from a European Perspective
Focusing on how tax instruments can support climate goals and environmental protection. The panel will examine carbon taxes, green incentives, and the evolving role of fiscal policy in achieving sustainable economic development.
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CHAIR
Marta Villar Tax Law Professor at Universidad CEU San Pablo, Madrid / Spain
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PANELISTS
Amparo Grau Professor at Complutense University of Madrid / Spain
Nina Legaard Kristensen Attorney at law at Gorrissen Federspiel / Denmark
María Muñoz Head of Tax, Endesa Group / Spain
Berthold Welling Executive Director of VCI, Chemical Industry Association / Germany - Panel III
Thursday March 12, 11:30 – 13:00
VAT and Tariffs: Indirect Taxation Impact on International Transactions
A deep dive into the complexities of Value Added Tax in cross-border trade and digital services. Topics include harmonization efforts, e-commerce taxation, and the challenges posed by divergent VAT regimes worldwide.
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CHAIR
Maria Teresa Deltell Partner at Garrigues / Spain
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PANELISTS
Catarina Belim Partner, Tax & Customs Lawyer, Belim / Portugal
Emma van Doornik Counsel, Customs & Global Trade Lead at Loyens&Loeff / The Netherlands
Joachim Englisch Professor at University of Münster, VAT Expert Group / Germany
Marta Papis-Almansa Professor at University of Alicante, VAT Expert Group / Spain - YIN Session
Thursday March 12, 14:30 – 16:00
Digitalisation and Taxation in Europe: Challenges and Opportunities
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CHAIR
Elizabeth Gil Professor at the University of Alicante / Spain
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PANELISTS
Diana Calderón Managing Senior, IBFD-Chair YIN LATAM
Ruben Dirks Tax advisor at the Ministry of Finance / The Netherlands
Trevor Glavey Partner, A&L Goodbody LLP / Ireland
Jakub Jankowski Anti-Tax Avoidance Council / Poland - Panel IV
Thursday March 12, 16:30 – 18:15
Private Equity and Investment Vehicles: Tax Treatment and Carried Interest under Domestic Law and Tax Treaties
Analyzing the fiscal considerations surrounding private equity funds and investments. This session will explore structuring, transfer pricing, and anti-avoidance rules in an increasingly regulated international environment.
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CHAIR
Patrick Brown National Tax Office Co-leader at PWC / USA
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PANELISTS
Remedios García Counsel at Gomez-Acebo y Pombo / Spain
Paul de France Partner at Gide / France
Carlos Ferrer Partner at Cuatrecasas / Spain
Jose Maria Palicio Global Head of Tax at Permira / United Kingdom
Romain Tiffon Partner in the International & Corporate Tax Department at ATOZ / Luxembourg
Frédéric Neukomm Partner at Lenz & Staehelin / Switzerland - WIN Session
Friday March 13, 9:00 – 10:15
Pillar Two Side-by-Side Package and its implementation in Europe
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CHAIR
Ascensión Maldonado Head of the International Taxation Office / Spain
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PANELISTS
Silvia Boiardi Partner at Maisto e Associati / Italy
Patrycja Brzostowska Deputy Head of Tax at Delivery Hero/ Germany
Madalina Cotrut International Tax Lawyer, Associate Professor at the Faculty of Law from the University of Economic Studies Bucharest and Vice-President of IFA Romania / Romania
Isabelle Richelle Graulich Co-Chair Tax Institute ULiège / Belgium - Panel V
Friday March 13, 10:45 – 12:15
Tax Policy and future of international taxation in Europe and Beyond
A forward-looking discussion on global tax governance, OECD initiatives, and the balance between national sovereignty and international cooperation. Experts will assess how reforms such as Pillar One and Pillar Two may reshape the future of global taxation.
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CHAIR
Roberta Poza Partner at Deloitte / Spain
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PANELISTS
Jose Antonio Bustos Partner at EY / USA
Begoña García Rozado Iberdrola Tax director / Spain
Christian Kaeser Global Head of Tax, Siemens AG / Germany
Helen Pahapill Tax Policy Adviser at Estonian Ministry of Finance / Estonia
Alvaro Villegas President of IFA LATAM-Founding Partner at Villegas Aldazosa / Bolivia - Closing Presentation
Friday March 13, 12:15 – 13:00
European Union Law: common values and principles
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Lourdes Arastey Sahún Judge of the Court of Justice of the European Union - Institutional Closing
Friday March 13, 13:00
Abelardo Delgado President of IFA Spain
Daniel Bader President of the IFA European Region