Currently, Marc Haestier is Chief Financial & Administration Officer at Gaztransport & Technigaz SA.

He is also on the board of GRTgaz SA, Storengy SA and Elengy SA.

In his past career he was CFO-Infrastructures Business Line at ENGIE SA and Deputy Chief Financial Officer at Gaz de France SA (a subsidiary of ENGIE SA) and Director-Finance & Treasury at Alstom Group SA.

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