Honorary President of the French Judaism Foundation. He served as President of the European Jewish Congress (ECJ) (2005-2007) and of the French Unified Jewish Social Fund (FSJU) (2006-2014). He also co-chaired the Unified Jewish Appeal of France (AUJF) (2006-2014). In January 2010, he took over from David de Rothschild as President of the French Judaism Foundation, position he held until 2014. He started his career first as an entrepreneur in household appliance and then in internet with LibertySurf (internet service provider). He is also a member of the Board of Governors at the Shimon Peres Center for Peace and of the Weisman Institute France.