Supervisory Board

• 1975 - 1978: Electrical Engineering Studies, University of Salford, GB and Ecole Centrale de Lyon, France
• 1978 - 1982: Field Engineer at Schlumberger, North Sea, Germany and Europe
• 1982 - 1984: Manager at Schlumberger, Diepholz, Germany
• 1984 - 1986: District Manager at Schlumberger, Teheran, Iran
• 1986 - 1986: Marketing Staff Middle East at Schlumberger, Dubai, UAE
• 1986 - 1987: District Manager Borneo at Schlumberger, Seria, Brunei
• 1987 - 1989: Human Resource Director Europa at Schlumberger, London, UK
• 1989 - 1991: Division Manager Middle East at Schlumberger, Dhahran, Saudi Arabia
• 1991 - 1993: President at Prakla Seismos AG, Hanover, Germany
• 1993 - 1996: Vice President & General Manager at Schlumberger/Geco Prakla, London, UK and Dubai, UAE
• 1996 - 1997: COO & Executive Vice President at NUMAR Corporation, Houston, USA
• 1997 - 1998: Executive Vice President at Halliburton, Houston, USA
• 1998 - 2003: President & CEO at Spectro, Kleve, Germany
• 2004 - 2008: President & CEO at CHOREN Industries, Hamburg & Freiberg, Germany
• 2009 - 2012: CEO at Siemens Energy Oil & Gas Division, Germany & Abu Dhabi, UAE
• 2012 - 2016: Member of the Board of Management at Linde AG, Munich, Germany
• 2016 - 2021: CEO at Bilfinger SE, Mannheim, Germany

Further current mandates:

• Member of the Supervisory Board at Polygon International AB, Stockholm, Sweden
• Chairman of the Advisory Board at North-Star Shipping Ltd, Aberdeen, UK
• Member of the Advisory Board Techem GmbH, Eschborn, Germany 

• 1990 - 1995: Studies of law at Humboldt University of Berlin, Berlin, Germany
• 1995 - 1998: Research Associate at law firm Becker Büttner Held, Berlin, Germany
• 1998: Doctorate (Energy law) at Humboldt University of Berlin, Berlin, Germany
• Since 1999: Lawyer at law firm Becker Büttner Held, Berlin, Germany
• Since 2002: Equity Partner of law firm Becker Büttner Held, Berlin Germany
• Since 2011: Specialist Lawyer for Administrative Law, Germany
• Since 2013: Lecturer and since 2018 Honorary Professor in the field of “infrastructure law and management” at Eberswalde University for Sustainable Development, Eberswalde, Germany
• Since 2015: Founding member and Vice President of the SPD Economic Forum and President since 2021, Berlin, Germany
• 2015 - 2016: Member of the “Commission for the Review of the Financing of the Nuclear Phase-out of the German Federal Government, Berlin, Germany
• Since 2021: Board Member of the Federal Association of Commercial Law Firms in Germany, Berlin Germany

Further current mandates:

• Member of the Supervisory Board at Frischli Milchwerke GmbH, Rehburg-Loccum, Germany

• 1978: Master's Degree, Civil Engineering, Technical University of Braunschweig, Germany
• 1978 - 1980: Natural Gas Networks at EWE AG, Germany
• 1980 - 1988: Gas Purchasing, Gas Sales and Gas Storage at EWE AG, Germany
• 1990: Ph.D. Civil Engineering, Technical University Braunschweig, Germany
• 1988 - 1993: Head of Waste Management at EWE AG, Germany
• 1993 - 1996: Director of Energy Sales Department at PreussenElektra, Germany
• 1996 - 1998: CTO at EWE AG, Germany
• 1998 - 2015: CEO at EWE AG, Germany
• Since 2015: Independent Energy Consultant
• 2016 - 2018: Member of the Supervisory Board at Enovos AG and Encevo AG, Luxembourg

Further current mandates:

• Member of the Supervisory Board of Friesen Elektra Beteiligungsgesellschaft mbH, Sande, Germany

• 1988 - 1991: Bank Apprenticeship at Dresdner Bank Group (Bankkauffrau), Oldenburg, Germany
• 1991 - 1995: Master of Business Administration at University of Augsburg, Germany
• 1995 - 1998: Project Manager Equity Capital Markets / IPOs at Westdeutsche Landesbank, Duesseldorf, Germany
• 1998 - 2000: Project Manager Corporate Finance at VEBA AG, Duesseldorf, Germany
• 2000 - 2007: President Mergers & Acquisitions at E.ON SE, Duesseldorf, Germany
• 2007 - 2016: Group CFO and Executive Board Member of the Global E.ON & Production Group at E.ON Exploration & Production, Germany / Norway / UK / Russia
• 2007 - 2012: CFO at E.ON Exploration & Production GmbH, Essen, Germany
• 2012 - 2015: CFO at E.ON Exploration & Production Norge AS, Stavanger, Norway
• 2016: CFO at E.ON Exploration & Production North Sea Ltd., London, United Kingdom
• 2016 - 2017: Head of Financial Governance at Preussen Elektra, E.ON SE, Essen, Germany
• 2017 - 2019: Group CFO and Executive Board Member of the Global E.ON Climate & Renewables Group at E.ON Climate & Renewables, Essen, Germany
• Since 2020: Self-employed Management Consultant

Further current mandates:

• Member of the Supervisory Board of Ignitis Grupė AB, Vilnius, Lithuania
• Member of the Supervisory Board of HELLA GmbH & Co. KGaA, Lippstadt, Germany
• Member of the Shareholder Committee of HELLA GmbH & Co. KGaA, Lippstadt, Germany

• 1983 - 1989 : first State Examination Law, University of Freiburg, Germany
• 1989 - 1992: Doctorate Dr.iur., University of Freiburg, Germany
• 1991: second State Examination Law, Stuttgart, Germany
• 1992 - 1994: Head of gas-sales departments North and West at Ruhrgas AG, Essen, Germany
• 1995 - 1999: Assistant to the Executive Board at Ruhrgas Energie Beteiligungs-AG (RGE), Essen, Germany
• Since 1998: Lawyer, Starnberg and branch office Berlin, Germany
• 2000 - 2007: Managing Director Investment Banking (M&A), “Energy/Public Sector" at Sal. Oppenheim jr. & Cie. KGaA, Cologne, Germany
• 2007 - 2009: Member of the Board of Directors (Sales and Technology (grid)) at VNG - Verbundnetz Gas AG, Leipzig, Germany
• 2010 - 2017: Member of the Board of Directors at Thüga AG, Munich, Germany;  Member of the Board of Directors at CONTIGAS Deutsche Energie AG, Munich, Germany; Member of the Board of Directors at Thüga Holding GmbH & Co. KGaA, Munich,  Germany
• 2018 - 2021: Chief Executive Officer (CEO) at GASAG AG, Berlin, Germany
• Since 2019: Board member at enreg., Institute for Energy and Regulatory Law, Berlin, Germany
• Since 2021: Member of the Advisory Council at Zukunft Gas e.V., Berlin, Germany
• Since 2022:  Managing Director at UBG Uniper Beteiligungsholding GmbH, Berlin, Germany
• Since 2023: Chairman of the Management Board at Dortmunder Energie und Wasserversorgung GmbH, Dortmund, Germany

• 1985 - 1989: Training as power plant electronics technician, Wilhelmshaven Power Station, Germany
• 1989 - 1994: Power plant electronics technician, Wilhelmshaven Power Station, Germany
• 1991 - 1993: Attended master craftsman school, in-service training
• 1994 - 2004: Plant shift foreman for electrotechnology, Wilhelmshaven Power Station, Germany
• Since 1996: Member of the works council, Wilhelmshaven Power Station, Germany
• Since 2004: Released to serve as works council member, Wilhelmshaven Power Station, Germany
• Since 2006: Works council chairman, Wilhelmshaven Power Station, Germany
• 2007 - 2010: Completed training in Management, Communication and Transformation in Corporate Co-determination at the IPAA in cooperation with the Hamm-Lippstadt, University, Germany
• Since 2012: Member of ver.di Federal Divisional Executive Committee Energy Industry, Germany
• 2015 - 2025: Deputy Chair of the General Works Council, Uniper Kraftwerke GmbH, Düsseldorf, Germany
• Since 2015: Chair of the corporate works council, Uniper SE, Düsseldorf, Germany

Further current mandates:

• Member of the Supervisory Board, Uniper Kraftwerke GmbH, Düsseldorf, Germany

• 1987 - 1990: Apprenticeship as locksmith at Veba Kraftwerke Ruhr AG in Gelsenkirchen, Germany
• 1988 - 1994: Member of the Youth and Trainee Council in various functions, Germany
• 1990 - 1991: Locksmith in the maintenance department at power plant Scholven, Gelsenkirchen,  Germany
• 1991 - 2000: Power plant operator at power plant Scholven, Gelsenkirchen, Germany
• 1993 - 1996: Apprenticeship as certified power plant technician IHK, in service training, Germany
• 1994 - 2010: Member of the Works Council (exempted member since 2001), Power Plant Group West, Ruhr Area, Germany
• 2007 - 2010: Chair of the Divisional Works Council of E.ON Kraftwerke GmbH, Hanover, Germany
• 2008 - 2016: Member of the Supervisory Board, E.ON Kraftwerke GmbH, Hanover, Germany
• Since 2010: Chair of the Works Council, Power Plant Group West, Ruhr Area, Germany
• 2011 - 2016: Deputy Chair of the Divisional Works Council of Generation Germany, Hanover, Germany
• Since 2012: Chair of the General Works Council, Uniper Kraftwerke GmbH, Hanover, Germany
• 2012 - 2016: Member of the Supervisory Board, E.ON Generation GmbH, Hanover, Germany
• 2012 - 2016: Deputy Chair of the Supervisory Board, E.ON Kraftwerke GmbH, Hanover, Germany
• Since 2016: Deputy Chair of the Group Works Council, Uniper SE, Düsseldorf Germany

Further current mandates:

• Deputy Chair of the Supervisory Board of Uniper Kraftwerke GmbH, Hanover, Germany
• Member of the Energy Industry Group, Mining, Chemical and Energy Industrial Union, Hanover, Germany
• Member of the Advisory Board, Mining, Chemical and Energy Industrial Union, Hanover, Germany
• Member of the Audit Committee as "Certified Power Plant Operator" at IHK, Germany
• Member of the Audit Committee as "industrial mechanic" at IHK, Germany

• 1993 - 1994: Apprenticeship as retail clerk at Giga Computersysteme GmbH, Schwandorf, Germany
• 1994 - 1996: Apprenticeship as industrial clerk at Neutherm GmbH & Co.KG, Wackersdorf, Germany
• 1996 - 2001: Financial Accountant at Neutherm GmbH & Co.KG, Wackersdorf, Germany
• Since 2001: Financial Accountant and invoicing expert in various companies in the group, E.ON Energie AG, E.ON Business Services, Uniper Financial Services GmbH, Regensburg, Germany
• 2006 - 2013: Member of the Works Council at E.ON Energie AG, Munich, Germany
• 2013 – 2016: Member of the Works Council at E.ON Business Services, Regensburg, Germany
• Since 2017: Chair of the Works Council at Uniper Financial Services GmbH, Regensburg, Germany
• Since 2017: Member of the Corporate Works Council Uniper SE, Düsseldorf, Germany

• 2004: Master of Physics, York University, United Kingdom
• 2004 - 2006: Graduate Programme at E.ON, United Kingdom
• Since 2006: Air Quality and Water Quality Modelling Expert at Uniper Technologies Limited, Nottingham, United Kingdom
• 2009 - 2011: Project Manager and Technical Lead for Radiological Dose Assessments at E.ON, United Kingdom
• Since 2011: Chartered Physicist, Institute of Physics, United Kingdom
• Since 2013: Programme Manager for Asset Improvement at Asset Management, United Kingdom
• Since 2014: Qualitative Risk Assessor for Hazardous Substances on Power Station Sites at Uniper Technologies Limited, Nottingham, United Kingdom
• 2015: APMP Project Management Qualification, United Kingdom
• Since 2020: Member of the Executive Committee of the Uniper SE Works Council, Düsseldorf, Germany
• Since 2021: Deputy Chair of the Uniper SE Works Council, Düsseldorf, Germany
• Since 2023: Team Leader for Environmental Services Team, United Kingdom

• 1985 - 1987: Mechanical workshop, Växjö Rostfritt (Stainless), Växjö, Sweden
• 1987 - 1994: Installation electrician at Telub, Växjö, Sweden
• 1994 - 1996: Computer engineer studies, Växjö Högskola, Sweden
• 1996 - 2000: Consultant at Sigma, Växjö, Sweden
• 2000 - 2007: Constructor of electrical and automation devices, Varvet i Karlskrona (shipyard), Sweden
• 2007 - 2015: Instrument engineer at power plant Karlshamn, Sweden
• Since 2014: Chair of the Works council at power plant Karlshamn, Sweden
• Since 2015: Chair of the Works Council Uniper Sweden
• Since 2016: Member of the SE Works Council, Düsseldorf, Germany
• 2019 - 2020: Deputy Chair of the SE Works Council, Düsseldorf, Germany

• 1985 - 1988: Apprenticeship as an industrial clerk, Städtische Werke AG, Kassel, Germany
• 1988 - 1989: Clerk, Städtische Werke AG, Kassel, Germany
• 1989 - 2004: Customer advisor, Berliner Stadtreinigung (BSR AöR), Kassel, Germany
• 1992 - 1993: Main staff council of the State of Berlin, Germany
• 1996 - 2020: Deputy Chairman of the staff council, Berliner Stadtreinigung (BSR AöR)-Waste Management, Berlin, Germany
• 2000 - 2017: Deputy Chairman, Berliner Stadtreinigung (BSR AöR)-general staff council, Berlin, Germany
• 2004 - 2020: Employee Human Resources and External Audit, Berliner Stadtreinigung (BSR AöR), Kassel, Germany
• 2006 - 2017: Member of the Supervisory Board, Berliner Stadtreinigung (BSR AöR), Berlin, Germany
• Since 2020: Head of the Federal Energy Industry Group, ver.di, Berlin, Germany

Further current mandates:

• Member of the Supervisory Board, Westenergie AG, Essen, Germany