Mr Lecler joined Société Générale as strategic studies manager in the finance and development division in 1996 and in 1999 was appointed finance and development director of the subsidiary Fimatex, now Boursorama, of which he became deputy managing director in 2003.

In January 2006, he joined SGAM Group, firstly as head of finance and operations, then as deputy to the deputy general manager, operations.

Until 31 May 2008 he was also chairman and chief executive of SGAM Banque, the banking entity within SGAM Group which specialises in structuring for alternative investments.