Catherine BRUN is Secretary General - Responsible for the Public Affairs and Territories Strategy Domain since 1 September 2018.
She is a graduate of the National School of Statistics and Economic Administration (ENSAE) and joined the Gaz de France group in 1987.
She held a variety of positions in the area of pricing studies in Gaz de France's Commercial Division before joining the Ile de France Region's Transportation Production Division as Head of the Commercial Department.
In 1999, she put in place, and then held, the position of Marketing Manager for the Large European Accounts segment within the Gaz de France Trading Division. She became the Information Systems and Quality Manager of the Global Gaz & GNL Branch in 2007.
She has also worked as the Information Systems Manager of GDF SUEZ's Exploration Production International subsidiary since 1 January 2012.
On 1 September 2014, she was appointed as the Marketing and Sales manager of GRTgaz.
As of September 1, 2018, she also holds the position of Head of the GRTgaz Public Affairs and Territories Strategy Area.