Tasks of the Management Board
The Management Board of Uniper SE manages the Company under its own responsibility in accordance with the law, the provisions of corporate by-laws and the rules of procedure for the Management Board and the Supervisory Board as well as the resolutions of the general meeting of shareholders. The Management Board represents the Company vis-á-vis third parties. It manages the business of the company with all its members bearing joint responsibility for its decisions.
The Management Board determines and updates business objectives, fundamental strategic orientation, corporate policy and group organization. This includes, in particular, supervision of the Group and its financial resources, the development of the human resources strategy, appointments to management positions within the Group and leadership development as well as representation of the Group to capital markets and the general public. In addition, it is responsible for the coordination and monitoring of operations in accordance with the established Group strategy.
The Management Board is appointed by the Supervisory Board and reports to the latter.
In this respect, the Management Board, headed by the CEO, reports regularly, comprehensively and in a timely manner to the Supervisory Board, on all relevant issues relating to corporate planning, business development, compliance, risk exposure and risk management. It responds to deviations in business performance from previously formulated plans and targets, providing details as to causes. The Management Board must, in principle, provide to the Supervisory Board a quarterly report on company matters as specified in Section 90 AktG (Stock Corporation Act) as well as reports on the group. The Management Board must also submit investment, financial and personnel plans for the Group to the Supervisory Board in addition to a medium-term plan.
Members of the Management Board
Effective June 1st, 2023, the Management Board consists of Michael D. Lewis, the Chief Executive Officer (CEO), Chief Sustainability Officer (CSO) and Labor Director; Dr. Jutta A. Dönges, the Chief Financial Officer (CFO); Holger Kreetz, the Chief Operating Officer (COO); and Niek den Hollander, the Chief Commercial Officer (CCO).
Michael D. Lewis
Chief Executive Officer (CEO) since June 1st, 2023

Born March 23, 1967 |
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1985 - 1989 |
Leicester Polytechnic |
BEng (Hons) Engineering Technology (IIi) |
1989 - 1990 |
University of Manchester |
MSc Pollution and Environmental Control |
1993 - 1996 |
De Montfort University, Leicester |
MA Environmental Law |
1990 - 1991 |
EIA Centre, University of Manchester |
Research Assistant |
1991 - 1993 |
Wessex Water Plc |
Environmental Scientist |
1993 - 1999 |
PowerGen plc |
Environmental Specialist |
1999 - 2001 |
PowerGen plc |
Strategy Analyst |
2002 - 2004 |
PowerGen plc |
UK Strategy Manager |
2004 - 2007 |
E.ON AG |
Vice President, Corporate Strategy |
2007 - 2015 |
E.ON Climate & Renewables GmbH |
Chief Operating Officer (COO) |
2010-2017 |
European Wind Energy Association (EWEA) |
Member of the Board |
2012-2017 |
E.ON Energy Research Centre, RWTH Aachen University |
Member of the Advisory Board |
2015 - 2017 |
E.ON Climate & Renewables GmbH |
Chief Executive Officer (CEO) |
2017 - 2023 |
E.ON UK plc |
Chief Executive Officer (CEO) |
Since June 2023 |
Uniper SE, Düsseldorf (Germany) |
Chief Executive Officer (CEO), Chief Sustainability Officer (CSO) and Labor Director |
Dr. Jutta A. Dönges
Chief Financial Officer since March 1st, 2023

Born 1973 |
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1992-1997 |
Technical University of Darmstadt, Germany |
Joint masters degree in Economics and Mechanical Engineering (Wirtschaftsingenieurwesen, Dipl.-Wirtsch.-Ing.) |
2001 |
Johann Wolfgang Goethe-University Frankfurt am Main; Germany |
Doctorate to Dr. rer. pol. |
1997 - 2010 |
Goldman, Sachs & Co. oHG, Frankfurt am Main, Germany |
Various positions, last Executive Director Investment Banking Division |
2010 - 2013 |
SEB AB Frankfurt Branch, Frankfurt am Main, Germany |
Managing Director Corporate Finance Deutschland, Member of the global Corporate Finance Management Group |
2015 |
Bundesanstalt für Finanzmarktstabilisierung AöR, Frankfurt am Main, Germany |
Member of the Management Board |
2016 - 2017 |
Bundesanstalt für Finanzmarktstabilisierung AöR, Frankfurt am Main, Germany |
Chairperson of the Management Board |
2018 - 2022 |
Finanzagentur GmbH, Frankfurt am Main, Germany |
Member of the Executive Board |
Since 2020 |
Commerzbank AG, Frankfurt am Main, Germany |
Member of the Supervisory Board |
Since 2021 | TUI AG, Hannover and Berlin, Germany | Member of the Supervisory Board |
Since 2023 |
Uniper SE, Düsseldorf (Germany) |
CFO |
Holger Kreetz
Chief Operating Officer since March 1st, 2023

July 14, 1970 | Born in Düsseldorf, Germany | |
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1991–1997 | TU, Berlin | Dipl.-Ing. (Masters) in Energy and process engineering |
1998 – 2001 | Australian National University, Canberra, Australia | PhD in Engineering |
2001 – 2006 | E.ON Energy Projects GmbH, Munich, Germany |
Senior Project Executive |
2006 – 2007 | E.ON Energie AG, Munich, Germany; Ankara Turkey | Project Manager |
2007 – 2010 | E.ON AG, Düsseldorf, Germany | Vice President New Build |
2010 – 2011 | E.ON New Build & Technology, Gelsenkirchen, Germany; Ratcliffe, UK | Division Head Business and Project Development |
2011 – 2013 | E.ON Turkey A.S, Istanbul, Turkey | Managing Director |
2013 – 2016 | EnerjiSA A.S. Istanbul, Turkey | Chief Operating Officer |
2016 – 2023 | Uniper. Düsseldorf, Germany | Chief Operating Officer Asset Management |
Since 2023 | Uniper. Düsseldorf, Germany | Chief Operating Officer |
Niek den Hollander
Chief Commercial Officer since June 1st, 2020

October 4, 1973 |
Born in Rotterdam (Netherlands) |
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1991 - 1997 |
Tilburg University |
Degree: Master in Financial Econometrics |
Tilburg (Netherlands) |
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1997 - 2002 |
Financial sector |
Various trading positions |
(Netherlands) |
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2002 - 2008 |
Statkraft |
2002 - 2005: Various trading positions |
Amsterdam (Netherlands) |
2005 - 2006: Head of Structured Trading |
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2006 - 2008: Head of Long-term Energy Management |
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2006 |
CFA Institute |
Chartered Financial Analyst |
2006 - 2008 |
TiasNimbas Business School |
Degree: Master in Business Administration (MBA) |
Tilburg (Netherlands) |
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2008 - 2014 |
Statkraft |
Head of Trading |
Düsseldorf (Germany) |
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2014 - 2020 |
Vattenfall |
2014 - 2017: Head of Business Unit Trading |
Hamburg (Germany) |
2017 - 2020: Member of Executive Group Management, Head of Markets |
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Since 2020 |
Uniper SE |
Chief Commercial Officer |
Düsseldorf (Germany) |