Commercial Managing Director
Stephanie Bokelmann holds a degree in economics and has many years of national and international experience in various HR and business roles, as well as in leadership positions, including many years with the E.ON Group. Before joining BGZ, she headed the People & Culture division at PreussenElektra GmbH in Hanover starting in March 2021 and served on the supervisory board of Safetec GmbH in Heidelberg. She has served as Chief Financial Officer (CFO) of BGZ since July 2026.
Technical Managing Director
Wilhelm Graf holds a degree in mechanical engineering and has around 25 years of experience in the field of nuclear waste disposal, five of which he spent as managing director of Acta Technologien GmbH. Among other positions, he was responsible for the management of the Ahaus and Gorleben interim storage facilities for ten years. Wilhelm Graf was a member of the committee “Waste conditioning, transports and interim storage” of the Nuclear Waste Management Commission (ESK) and was also active in international committees of the IAEA.


