Marc Lemaître studied at Université Libre de Bruxelles (ULB) and Bruges (College of Europe) and holds a Master in European Economics. He brings 25 years of profound experience in European Affairs, both in the European Commission and in the diplomatic service of Luxembourg. Between 1996 and 2006, he worked in the Permanent Representation of Luxembourg to the European Union, dealing with budgetary, trade and general affairs issues. He joined the Commission in 2007 as Head of the private office of Regional Policy Commissioner, Danuta Hübner, and then her successor, Paweł Samecki. Between 2010 and 2013, he led the private office of Budget Commissioner Janusz Lewandowski. Between 2013 and 2016, he managed, as Director, the Office for Administration and Payment of individual entitlements (PMO). Between 2016 and January 2023, he was Director-General for Regional and Urban Policy (REGIO). Since February 2023 he is Director-General for Research and Innovation (RTD).