Executive Board
Clemens
Dr. Gabriël Clemens
Chief Executive and Commercial Director
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born in Ulestraten, Netherlands, in 1971
Career
| since 01.04.2025 | Chairman of the Executive Board (CEO) of MVV Energie AG, Mannheim |
| 2021-2025 | CEO Green Gas E.ON SE and Managing Director of E.ON Hydrogen GmbH, Essen |
| 2014 - 2022 | Member of the Executive Board, VSE AG (a company of the RWE Group; from 2019 of the E.ON Group), Saarbrücken |
| 2013 - 2014 | Managing Director of Westnetz GmbH (a company of the RWE Group), Dortmund |
| 2009 - 2012 | After takeover of Essent by RWE, senior functions in the RWE Group |
| 2002 - 2009 | Several senior functions at Essent, Netherlands and Germany |
| 1999 - 2002 | Management consultant, McKinsey & Co., Düsseldorf |
Education
| 1998 | Doctorate (Dr.-Ing.), RWTH Aachen University |
| 1994 | Masters (Dipl.-Ing.) in electrical engineering, majoring in electrical power engineering, RWTH Aachen University |
Positions held on other statutory supervisory boards of German companies
- Energieversorgung Offenbach AG, Offenbach (Chair)
- Stadtwerke Kiel AG, Kiel (Chair)
- Grosskraftwerk Mannheim AG, Mannheim
- Juwi GmbH, Wörrstadt (Deputy Chairman)
Membership in comparable domestic and foreign supervisory bodies of commercial enterprises
- MVV Enamic GmbH, Mannheim
- MVV Trading GmbH, Mannheim
- MVV Umwelt GmbH, Mannheim
Status: 9th April 2025
Verena Amann
HR Director
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Born in Ravensburg in 1981
Professional career
| since 01.08.2019 | Member of Executive Board of MVV Energie AG |
| 2006 - 2019 | United Internet Gruppe, Deutschland Head of Coporate HR United Internet Corporate Services GmbH, Karlsruhe Head of Business HR 1&1 Internet AG, Karlsruhe |
| 2005 – 2006 | Reutax AG (today: Questax Experts GmbH, Heidelberg) Head of Sales Operations Germany Head of Marketing/PR |
Training
| 2000 - 2005 | Studied business administration at the Pforzheim University of Applied Sciences |
Positions held on other statutory supervisory boards of German companies
- Energieversorgung Offenbach AG, Offenbach
- MVV Netze GmbH, Mannheim (Deputy Chairwoman)
- Soluvia IT-Services GmbH, Kiel
- Stadtwerke Kiel AG, Kiel
- Juwi GmbH, Wörrstadt
Membership in comparable domestic and foreign supervisory bodies of commercial enterprises
- MVV Enamic GmbH, Mannheim
Status: 14th March 2025
Ralf Klöpfer
Sales
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Born in Backnang in 1966
Career
| since 01.10.2013 | Member of Executive Board of MVV Energie AG |
| 2012 - 2013 | Managing Partner, enevio GmbH, Karlsruhe |
| 2010 - 2012 | Spokesman of Management, EnBW Vertrieb GmbH, Karlsruhe |
| 2004 - 2010 | Director of Risk Management, EnBW Trading GmbH, Karlsruhe |
| 2001 - 2004 | Development and management of "Energy Industry/Optimisation" department, EnBW AG, Karlsruhe |
| 1997 - 2001 | Foundation and development, EnBW Gesellschaft für Stromhandel mbH, Karlsruhe, most recently as Director of Finance/Controlling and Processes/IT departments |
| 1993 - 1997 | Assistant in Energy Management department, Badenwerk AG, Karlsruhe |
Training
| 1987 - 1993 | Study of electrical engineering, majoring in energy technology, at University of Stuttgart |
Positions held on other statutory supervisory boards of German companies
- Energieversorgung Offenbach AG, Offenbach
- Stadtwerke Kiel AG, Kiel
Juwi GmbH, Wörrstadt
Membership of comparable German and foreign company supervisory boards
- Qivalo GmbH, Mannheim (Deputy Chairman)
- Stadtmarketing Mannheim GmbH, Mannheim
- MVV Enamic GmbH, Mannheim (Chairman)
- MVV Trading GmbH, Mannheim (Chairman)
Status: 14th March 2025
Dr. Hansjörg Roll
Technology
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Born in Offenburg in 1965
Career
| since 01.01.2015 | Member of Executive Board of MVV Energie AG |
| 2008 - 2014 | Managing Director of MVV Umwelt GmbH |
| 2003 - 2008 | Management roles at MVV Energiedienstleistungen GmbH, including Managing Director of Gengenbach Industrial Power Plant and Ludwigshafen Industrial Power Plant |
| 1999 - 2003 | Head of Division, Power Plant Planning, EnBW Ingenieure GmbH, Stuttgart |
| 1995 - 1999 | Project Engineer and Project Director for Power Plant Planning, Badenwerk AG, Karlsruhe, and EnBW Ingenieure GmbH, Stuttgart |
Training
| 1990 - 1994 | Doctorate in Engineering Sciences |
| 1984 - 1990 | Study of Chemical Engineering at Karlsruhe Technical University |
Positions held on other statutory supervisory boards of German companies
- Energieversorgung Offenbach AG, Offenbach
- Grosskraftwerk Mannheim AG, Mannheim
- MVV Netze GmbH, Mannheim (Chairman)
- Stadtwerke Kiel AG, Kiel
Juwi GmbH, Wörrstadt (Chairman)
Membership of comparable German and foreign company supervisory boards
MVV Umwelt GmbH, Mannheim (Chairman)
Status: 9th April 2025
