Thierry Breton is a French business executive, politician, and writer who served as European Commissioner for Internal Market in the first von der Leyen Commission from 2019 to 2024. Breton was vice-chairman and CEO of Groupe Bull (1996–1997), chairman and CEO of Thomson-RCA (1997–2002) and chairman and CEO of France Télécom (2002–2005). In 2005, he entered politics, serving as minister for economy, finance and industry (2005–2007) in the governments of prime ministers Jean-Pierre Raffarin and Dominique de Villepin, during the presidency of Jacques Chirac. From 2007 to 2008 he was a professor at Harvard Business School, before joining group Atos from 2009 to 2019 as its CEO.