Pascal Saint-Amans – Irma Mosquera Valderrama

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Pascal Saint-Amans joined Brunswick Group on 1 November 2022 as a Partner. There, he advises clients worldwide on policy and regulatory matters, including tax-related issues.

Prior to joining Brunswick, Mr. Saint-Amans, was director of the Centre for Tax Policy and Administration at the OECD where, working with G20 countries, he led the international tax policy reform, including ending bank secrecy or updating the rules for the taxation of Multinational Enterprises, known as the BEPS (Base Erosion and Profit Shifting) project. Pascal supported countries in designing their tax policies and provided technical assistance to developing countries. He launched the Taw Inspectors Without Borders Initiative.

Mr. Saint-Amans graduated from the National School of Administration (ENA) in 1996, and was an official in the French Ministry for Finance for nearly a decade.  He held various positions within the Treasury. He was also a member of the UN Group of Experts on International Co-operation in Tax Matters, becoming a “rapporteur” in 2006. 

Mr. Saint-Amans also served as Financial Director of the Energy Regulation Committee between 1999 and 2002 and was responsible for the introduction of new electricity tariffs.

Having earned a degree in history, Mr. Saint-Amans also received a degree from the Institut d’études politiques of Paris. He is also Professor of Taxes at Lausanne University.

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Irma is also the  EU Jean Monnet Chair Holder on the topic EU Tax Governance (EUTAXGOV), and Lead Researcher of the European Research Council (ERC) Funded Project that investigates Global Tax Governance (GLOBTAXGOV).  

She received her PhD (cum laude) in 2007 in the Netherlands. She was also a Fulbright Scholar (PhD research) at New York University, and the University of Florida (Gainesville), the United States. Before joining Leiden, she was working as  tax adviser (PwC, Hamelink & Van den Tooren), lecturer (University of Utrecht, Erasmus University, the Hague University of Applied Sciences) and postdoctoral researcher (International Bureau of Fiscal Documentation  IBFD), the Netherlands.  

Her areas of expertise are international tax law and comparative tax law in developed and developing countries and more recently exchange of information, tax governance and BEPS related issues in developing countries.