About Us


Arno Büx

Arno Büx

GLE President
Chief Commercial Officer, Fluxys Group and Fluxys Belgium

Arno Büx has been Chief Commercial Officer of Fluxys Group and Fluxys Belgium since autumn 2015. He oversees all commercial activities of Fluxys, both regulated and non-regulated as well as its business development in Europe.

Arno Büx holds degrees in Engineering and Business Administration. Before joining Fluxys, he has evolved within the ENGIE Group for 20 years, working in Belgium, France and Luxemburg but mostly contributing to the development of the Group’s energy activities in Germany.

He held various executive and non-executive management positions in businesses targeting the B2B and B2C commodity markets as well as the gas midstream sector.

GLE Executive Committee

Jacques Rottenberg - Elengy

Jacques Rottenberg

Francisco de la Flor

Francisco de la Flor

Pieter van Aartsen

Pieter van Aartsen
Gate terminal


Lukase Trzeszckowski

Łukasz Trzeszczkowski