Presently, Marc Haestier is Chief Financial Officer at Gaztransport & Technigaz SA. Mr. Haestier is also on the board of GRTgaz SA, Storengy SA and Elengy SA and CFO-Infrastructures Business Line at ENGIE SA.

In his past career he occupied the position of Director-Finance & Treasury at Alstom Group SA and Deputy Chief Financial Officer at Gaz de France SA.

Marc Haestier received an MBA from The Louvain School of Management.