Gérard is Honorary Chair of Engie SA, CEO, Chair, then Honorary Chair of Suez SA, and Executive Chair of Afalula. For 29 years, he was CEO of Société Générale de Belgique Suez and Engie. Until May 2023 he was Independent Director of Société Générale. Gérard has significant experience in the transformation and development of large groups in the Energy and Environment sectors.

Gérard has held various positions at the Treasury Department and as a staff member for the Minister of Economy and Finance (J. Delors).

Gérard joined Compagnie Financière de Suez in 1984. In 1991, he was named Chair of the Management Committee of Société Générale de Belgique. In 1995, Gérard became Chair and CEO of Compagnie de Suez. He was appointed Chair and CEO of GDF Suez (now Engie) when Suez merged with Gaz de France in 2008.

Gérard is Chair of the Chongqing Mayor’s International Economic Advisory Council. He was formerly appointed by the President of France as Executive Chair of the French Agency for the cultural, heritage and tourism development of AlUla (Kingdom of Saudi Arabia) in co-operation with the Kingdom. He has now recently been appointed Envoy for the future Asia-EU corridor, called IMEC (India-Middle East Economic Corridor). He is also senior adviser for CVC Capital Partners.