Thomas Gester obtained his Civil Engineering – Construction degree (Dipl.-Ing) in 1979.
His degree was followed by different working stations as qualified civil engineer. Since August 1989, he is working amongst others in the domain of small and small scale wastewater treatment plants as executive assistant, technical general manager, technical head of special projects and general manager in two prefabricated concrete component companies.
From May 2002 to December 2020, he was head of the export division of ATB WATER GmbH, a specialist for development and production of decentralized and semi-centralized wastewater treatment plants.
Since November 2011, Thomas Gester is member of the German DIN standards committee water engineering “Small wastewater treatment systems”, the German mirror committee for the European standard EN 12566. He is member of the European working group CEN TC 165 WG 41 “Small wastewater treatment systems < 50 PE”.
Since January 2021, he is head of special projects and networking at ATB WATER GmbH.