A high official, lawyer, politician, and Sciences-Po and ENA graduate. Chief of Staff to various government offices, he was named Secretary of State in charge of European affairs in 2007, before taking the lead of the Autorité des Marchés Financiers a year later. He then became CEO of the Caisse des Dépôts et Consignations and president of the Banque Publique d’Investissement. In 2014, he was named General Secretary of the Élysée. He is currently the french ambassador in the United Kingdom.