Onyx Power’s management defines the corporate targets and the strategy of the company.

Dr Peter Feldhaus
Chief Executive Officer

Dr Peter Feldhaus has been Chief Executive Officer of Onyx Power Group since June 2019. Previously he held various positions at thyssenkrupp, including Head of Global Strategy, CEO of the Marine Systems unit and of the Industrial Solutions unit. Before joining thyssenkrupp, Feldhaus worked for 16 years as an expert in the energy sector, advising German and international clients for the management consultancy McKinsey & Company. As Senior Partner he worked at various international locations, including Russia, Eastern Europe and the USA.

Dr Dirk Mausbeck
Chief Financial Officer

Dr Dirk Mausbeck joined Onyx Power Group in October 2019, initially as Chief Commercial Officer. Since January 2022, he is responsible for financial matters as Chief Financial Officer in addition to the commercial tasks. Previously, he held various positions at Energie Baden-Württemberg AG (EnBW). As Managing Director of EnBW Trading GmbH, he was also responsible for both commercial matters and trading. Until 2016, he was also CEO of the energy trading company Danske Commodities in Aarhus, Denmark.

Roel van der Stok
Chief Operating Officer

Roel van der Stok has been Chief Operating Officer of Onyx Power Group since May 2023. In this role, he is responsible for the company’s operating business. Van der Stok has many years of experience in the chemical and energy industries. Among other things, he held various positions at E.ON SE for more than 20 years. His professional career took him to Turkey and Brazil as COO of various E.ON power plant companies.