Global Tax Policy Conference 2025 Programme

To view the programme, the speakers and book the conference, please visit the Global Tax Policy Conference 2025 Homepage.

Thursday 23 October 2025 – Day 1 – Morning Sessions

08.00 – 08.30	Registration
08.30 – 09.00	Opening Remarks	Paschal Donohoe TD, Minister for Finance, Ireland & President of the Eurogroup
09.00 – 10.30	Global Tax Policy – Where are we now, how did we get here and where are we going?	Manal Corwin, Director, Centre for Tax Policy and Administration (CTPA), OECD Gerassimos Thomas, Director General, Directorate-General Taxation and Customs Union, European Commission Danny Werfel, Former Commissioner, Internal Revenue Service (IRS)
10.30 – 11.00	Tea/Coffee & Networking
11.00 – 12.45	Global Tax Implementation: How does the aspiration for reform become a reality?	Benjamin Angel, Director, Directorate-General Taxation and Customs Union, European Commission Alex Cobham, Chief Executive, Tax Justice Network, UK William Morris, Vice-Chair BIAC, OECD & Global Head of Tax Policy, PwC
12.45 – 14.00	Lunch

Thursday 23 October 2025 – Day 1 – Afternoon Sessions

14.00 – 15.15	Unravelling the layers – Corporate tax complexity and (un)certainty	Speakers include: Matt Damone J.D., Principal, TP Practice Leader, Baker Tilly US Aart Nolten, Partner, Transfer Pricing & International Tax, Deloitte Tax Laywers Tom Roesser, GM, Tax Policy Counsel, Microsoft
15.15 – 15.45	Tea/Coffee & Networking
15.45 – 17.15	Universal Compliance, Enforcement, and Dispute Resolution – Is there a feasible global approach?	Bob Hamilton, Chair, OECD Forum on Tax Administration (FTA) & Commissioner of the Canada Revenue Agency Nina Olson, Executive Director, Center for Taxpayer Rights, US Brendan Crowley, Senior Counsel, IMF
19.30	Conference Dinner	The Honorable Society of King’s Inns

Friday 24 October 2025 – Day 2

09.00 – 10.15	Global Mobility – Taxing “work” in a digital world	Karine Halimi-Guez, Group Head of Tax, Booking Holdings Chris Sanger, Global Government Tax Leader & UK Tax Policy Leader, EY
10.15 – 11.30	The Current “Climate” – Is tax policy being used to best effect for our planet?	Maria Elena Scoppio, Director, Directorate-General Taxation and Customs Union, European Commission Clare Costello, Assistant Secretary, Department of Finance, Ireland Colm Kelly, Chair, FFS & Global Leader – Corporate Sustainability, PwC International Ltd Clodagh Power, Senior Climate & G20/G7 Advisor to Chief Economist, OECD
11.30 – 11.45	Tea/Coffee & Networking
11.45 – 13.15	The future of global tax – Striving for consistency, cohesion and certainty	Chair: Prof. Jay Rosengard, Adjunct Lecturer in Public Policy, Harvard Kennedy School Prof. Brian Arnold, Senior Adviser, Canadian Tax Foundation Feargal O’Rourke, Chair, IDA Ireland Tim Power, Director for Business and International Tax, HM Treasury & Chair, Committee on Fiscal Affairs (CFA), OECD Mekar Satria Utama, Director of International Taxation, Directorate General of Taxes, Indonesia Melissa Gierach, Managing Director, Tax Policy, DLA Piper US
13.15 – 14.00	Conference closing & light lunch