Independent Consultant
Member of the following committees: Mediation Committee, Nominating Committee, Personnel Committee
- Year of Birth: 1964
- Citizenship: German
- Initial Order: 2026
- Term: until 2028
Education | |
1983 – 1988 | Diploma in Mechanical Engineering, Technical University of Munich (TUM) |
1988 – 1991 | Doctoral Studies in Mechanical Engineering, Technical University of Munich (TUM) |
1992 – 1993 | Postdoctoral Researcher (Alexander von Humboldt Fellowship), University of California, Berkeley |
Professional Career | |
1993 – 1998 | Consultant and Project Manager, McKinsey & Co., Inc. |
1998 – 2003 | Partner, McKinsey & Co., Inc. |
2003 – 2004 | Vice President, Procurement Strategy, BMW |
2004 – 2007 | Senior Vice President, Procurement of Production Materials, BMW |
2007 – 2014 | Executive Vice President, Procurement, Airbus |
2015 – 2019 | Executive Board Member and President (from 01/2017), German Aerospace Industries Association (BDLI) |
2015 – 2019 | Chief Procurement Officer, Airbus Group, and Chairman of the Management Board, Airbus Operations GmbH (Germany) |
2021 – 2024 | Chief Executive Officer (CEO) and Chairman of the Board, Diehl Group |
Other Mandates
Membership in supervisory boards and comparable regulatory bodies of unlisted companies:
- Member of the Supervisory Board of Otto Fuchs Verwaltungs SE and Advisory Council of Otto Fuchs KG (since 2025)
- Member of the Supervisory Board of MEYER WERFT GmbH (since 2025; Chairman until 12/2025)
Previously:
- Member of the Advisory Council of Diehl Stiftung & Co. KG (until 2025)
- CEO and Chairman of the Board, Diehl Group (until 2024)
- Member and Deputy Chairman of the Supervisory Board of MT Aerospace AG (until 2024)
Membership in supervisory boards and comparable regulatory bodies of listed companies:
- Member (Independent Director) of the Board of Directors of Aequs Limited, India (since 2020).
Previously:
- None.
Other than listed above, Dr. Klaus Richter has not been a member of any administrative, management or supervisory body of any other company or partnership outside the group within the last five years.
Managing Director of IG Metall Rheine
Member of the following committees: -
- Year of Birth: 1968
- Citizenship: German
- Initial Order: 2026
- Term: until 2031
Education | |
1984 | Intermediate School Certificate |
1985-1987 | Advanced Technical College Entrance Qualification, specializing in Business Administration |
1987 -1990 | Apprenticeship as an Industrial Management Assistant |
Professional Career | |
1990 – 1991 | Commercial Clerk in Financial Accounting |
1992 – 2006 | Administrative Assistant, IG Metall Osnabrück |
2006 – 2007 | Trainee Programme at IG Metall |
2007 – 2008 | Political Secretary, IG Metall Osnabrück |
2008 – 2017 | Political Secretary, IG Metall Rheine |
2017 – 2021 | Treasurer and Managing Director, IG Metall Rheine |
2022 – present | 1. Authorised Representative, Treasurer and Managing Director of IG Metall Rheine |
Other Mandates
Membership in supervisory boards and comparable regulatory bodies of unlisted companies:
- Member of the Supervisory Board of Schmitz Cargobull AG
Previously: None.
Membership in supervisory boards and comparable regulatory bodies of listed companies: None.
Other than listed above, Karin Hageböck has not been a member of any administrative, management or supervisory body of any other company or partnership outside the group within the last five years.
Chief Operating Officer of KNDS Deutschland GmbH & Co. KG
Member of the following committees: -
- Year of Birth: 1976
- Citizenship: German
- Initial Order: 2024
- Term: until 2028
Education | |
1999 | Degree: Dipl. Ing. Elektrotechnik (electrical engineering) Baden-Wuerttemberg Cooperative State University |
Professional Career | |
1999 – 2008 | Mercedes Benz AG: Various positions in quality and purchasing |
2008 – 2011 | Head of Quality Engineering Center Mercedes Benz |
2011 – 2014 | Head of localization project Mercedes-Benz Beijing and plant logistics |
2014 – 2017 | Division Manager Supply Chain Mercedes-Benz S-/E-Klasse and plant Sindelfingen |
2018 | Head of Production Network Components and Structural Parts Casting/ Forging Mercedes-Benz PKW |
2019 – 2023 | Head of Production Europe/Africa and Start-up factory of Mercedes Benz AG PKW |
Since 2023 | Chief Operating Officer, KNDS Deutschland GmbH & Co. KG |
Other Mandates
Membership in supervisory boards and comparable regulatory bodies of unlisted companies:
- Chief Operating Officer of KNDS Deutschland GmbH & Co. KG
Previously:
- Chairman of the Supervisory of Mercedes-Benz Manufacturing Hungary Kft. (2021 to 2023)
Membership in supervisory boards and comparable regulatory bodies of listed companies:
- None.
Previously:
- Non-Executive Director of Mercedes-Benz South Africa Ltd. (2019 to 2023)
Other than listed above, Florian Hohenwarter has not been a member of any administrative, management or supervisory body of any other company or partnership outside the group within the last five years.
Full-time works council member at RENK GmbH
Member of the following committees: -
- Year of Birth: 1979
- Citizenship: German
- Initial Order: 2026
- Term: until 2031
Education | |
2002 - 2007 | Diploma Engineer (University of Applied Sciences) in Mechanical Engineering and Production Engineering |
Professional Career | |
2007 - 2010 | Test Bench Engineer – Marine and Industrial Sector at RENK, Augsburg |
2011 – 2024 | Manager – Quality, Environmental, Occupational Health & Safety Management at RENK, Augsburg |
2025 – present | Full-time works council member at RENK, Augsburg |
Other Mandates
Membership in supervisory boards and comparable regulatory bodies of unlisted companies: None.
Previously: None.
Membership in supervisory boards and comparable regulatory bodies of listed companies: None.
Previously: None.
Other than listed above, Frank Klopfer has not been a member of any administrative, management or supervisory body of any other company or partnership outside the group within the last five years.
Head of Operational Accounting of RENK Group AG / RENK GmbH / RENK Test System GmbH / RENK Bearings GmbH
Head of Commercial Order Processing, RENK Group AG / RENK GmbH, Augsburg / RENK Test System GmbH
Member of the Following Committees: -
- Year of Birth: 1976
- Citizenship: German
- Initial Order: 2023
- Term: until 2031
Education | |
2001 | Commercial degree (Diplom-Kauffrau), University of Augsburg |
2001 | Bachelor of Science in Business Administration, University of Augsburg |
Professional Career | |
2002 – 2006 | Accountant in the accounting and taxation division, Deloitte & Touche GmbH, Augsburg |
2006 - 2008 | Senior Accountant in the accounting and taxation division, Deloitte & Touche GmbH, München |
2008 – 2013 | Chief Accountant, RENK Test System GmbH, Augsburg |
2013 - 2016 | Head of Accounting & Controlling, RENK Test System GmbH, Augsburg |
2016 - 2020 | Director of Commercial Management, |
2020 - 2022 | Head of Finance Department, RENK GmbH (until 2021 RENK AG), Augsburg |
2022 - 2023 | Head of Corporate Accounting, RENK Group, Augsburg |
Since 2023 | Head of Operational Accounting of RENK Group AG / RENK GmbH / RENK Test System GmbH / RENK Bearings GmbH Head of Commercial Order Processing, RENK Group AG / RENK GmbH, Augsburg / RENK Test System GmbH |
Other Mandates
Membership in supervisory boards and comparable regulatory bodies of unlisted companies:
- None.
Membership in supervisory boards and comparable regulatory bodies of listed companies:
- None.
Other than listed above, Adela Lieb has not been a member of any administrative, management or supervisory body of any other company or partnership outside the group within the last five years.
Independent consultant and supervisory board member
Member of the Following Committees: Audit Committee, Nomination Committee
- Year of Birth: 1984
- Citizenship: German/Austrian
- Initial Order: 2023
- Term: until 2028
Education | |
2006 – 2009 | Baden-Wuerttemberg Cooperative State University |
2013 – 2015 | CFA Institute |
Professional Career | |
2009 – 2010 | Financial Group Controller |
2011 – 2013 | Senior Associate |
2014 – 2018 | Portfolio Monitoring & Development Professional |
2018 – 2025 | Investment Advisory Professional |
Other Mandates
Membership in supervisory boards and comparable regulatory bodies of unlisted companies:
- None.
Previously:
- Advisory Board Member of Talis Management Holding GmbH, Heidenheim, Germany (until 2023)
Membership in supervisory boards and comparable regulatory bodies of listed companies:
- None.
Other than listed above, Johannes Meier has not been a member of any administrative, management or supervisory body of any other company or partnership outside the Group within the last five years.
Full-time works council member at RENK GmbH
Member of the following committees: -
- Year of Birth: 1971
- Citizenship: Portuguese
- Initial Order: 2026
- Term: until 2031
Education | |
1987 - 1990 | Apprenticeship as a lathe operator at RENK |
Professional Career | |
1990 - 2012 | Boring Machine Operator in Housing Production at RENK |
2012 - 03/ 2026 | Machining Technician at RENK |
2018 – 03/ 2026 | Works council member at RENK |
03/2026 - present | Full-time works council member at RENK |
Other Mandates
Membership in supervisory boards and comparable regulatory bodies of unlisted companies: None.
Previously: None.
Membership in supervisory boards and comparable regulatory bodies of listed companies: None.
Previously: None.
Other than listed above, José Moreira has not been a member of any administrative, management or supervisory body of any other company or partnership outside the group within the last five years.
Independent management consultant
Member of the following committees: Personnel Committee (Chair), Nomination Committee (Chair)
- Year of Birth: 1972
- Citizenship: German
- Initial Order: 2024
- Term: until 2028
Education | |
1991 – 1996 | Diplom Kauffrau (FH), Business Administration, University of Applied Sciences Dresden |
2001 | PED Program for Executive Development, IMD, Lausanne, Switzerland |
Professional Career | |
1996 – 1999 | Senior Consultant Audit, Arthur Andersen Wirtschaftsprüfungsgesellschaft mbH, Munich |
1999 – 2002 | Senior Associate, UBS Capital GmbH, Munich |
2002 – 2012 | Partner, BC Partner Beteiligungsberatungs GmbH, Hamburg |
2008 – 2013 | Advisory Board Member, SGB-SMIT Group, Regensburg |
2010 – 2020 | Member of the supervisory board / member of the audit committee, Brenntag SE, Essen |
2013 – 2014 | Member of the Group Executive Committee and Advisor to its shareholders, VAT Group AG, Switzerland |
2015 – 2023 | Independent Management Consultant, Hamburg |
2015 – 2023 | Member of the Supervisory Board / Member of the Audit Committee, Member of the Investment Committee, Jenoptik AG, Jena |
2017 – 2023 | Member of the Supervisory Board, Lufthansa Technik AG, Hamburg |
2018 – 2020 | Member of the Supervisory Board / Member of the Audit Committee, Franz Haniel & Cie. GmbH |
2020 – 2023 | Chair of the Supervisory Board / chair of the personnel committee / member of the audit committee, Franz Haniel & Cie. GmbH |
2020 – 2023 | Chair of the Supervisory Board / Chair of the Transformation & ESG Committee / Chair of the Nomination & Remuneration Committee, Brenntag SE, Essen |
2023 – 2024 | Managing Director, Kühne Holding AG, Schweiz |
Other Mandates
Membership in supervisory boards and comparable regulatory bodies of unlisted companies:
- Member of the Advisory Board and Chair of the Risk and Audit Committee of Engel & Völkers Holding GmbH, Hamburg
Previously:
- Chair of the Supervisory Board and of the Personnel Committee as well as Member of the Audit Committee of Franz Haniel & Cie GmbH, Duisburg (until 2023)
- Member of the Supervisory Board of Lufthansa Technik AG, Hamburg (until 2023)
Membership in supervisory boards and comparable regulatory bodies of listed companies:
- None.
Previously:
- Chair of the Supervisory Board, of the Transformation and ESG Committee and of the Nomination and Remuneration Committee of Brenntag SE, Essen (until 2023)
- Member of the Supervisory Board, of the Audit Committee as well as member of the Investment Committee of Jenoptik AG, Jena (until 2023)
Other than listed above, Doreen Nowotne has not been a member of any administrative, management or supervisory body of any other company or partnership outside the Group within the last five years.
Joint Works Council Chairman of RENK GmbH, Works Council Chairman of RENK GmbH, Augsburg, Works Council Chairman of RENK Test System GmbH
Member of the Following Committees: Audit Committee, Mediation Committee, Personnel Committee
- Year of Birth: 1966
- Citizenship: German
- Initial Order: 2023
- Term: until 2031
Education | |
1981 – 1985 | Machinist Apprenticeship, RENK AG |
Professional Career | |
1985 – 2014 | CNC Operator, RENK AG |
1998 – 2014 | Member of the Works Council, RENK AG |
2014 – 2018 | Deputy Works Council Chairman RENK AG and RENK Test System GmbH |
since 2018 | Works Council Chairman, RENK GmbH (formerly RENK AG) and RENK Test System GmbH |
Other Mandates
Membership in supervisory boards and comparable regulatory bodies of unlisted companies:
- None.
Membership in supervisory boards and comparable regulatory bodies of listed companies:
- None.
Other than listed above, Klaus Refle has not been a member of any administrative, management or supervisory body of any other company or partnership outside the Group within the last five years.
Second Authorised Representative and Managing Director of IG Metall Augsburg
Member of the following committees: Audit Committee, Personnel Committee, Mediation Committee
- Year of Birth: 1987
- Citizenship: German
- Initial Order: 2026
- Term: until 2031
Education | |
2004-2008 | Electronics Technician for Devices and Systems (IHK) |
2015-2018 | Bachelor of Arts in Social Economics |
2018-2019 | Master of Laws (LL.M.) in Business Law |
Professional Career | |
2004 – 2015 | Apprenticeship as Electronics Technician for Devices and Systems, Electronics Technician in Mechanical Engineering, Production Planner, and Works Council Assistant at OSRAM GmbH, Augsburg |
2015 – 2018 | Studied at the University of Hamburg (B.A.) |
2018 – 2019 | Studied Law (LL.M.) at Nuremberg Institute of Technology |
2019 – 2024 | Business Lawyer and Staff Unit Manager in the General Secretariat of Co-Determination at MAN Truck & Bus SE, München |
2024 – 2025 | Advisor to the Chair of the Works Council at RENK GmbH, Augsburg |
2025 - present | Second Authorised Representative and Managing Director at IG Metall, Augsburg |
Other Mandates
Membership in supervisory boards and comparable regulatory bodies of unlisted companies:
- KUKA SE & Co. KGaA
- Valeo Schalter und Sensoren GmbH
Previously: None.
Membership in supervisory boards and comparable regulatory bodies of listed companies: None.
Previously: None.
Other than listed above, Matti Riedlinger has not been a member of any administrative, management or supervisory body of any other company or partnership outside the group within the last five years.
Member of the Supervisory Board and Chair of the Audit Committee of INNIO Jenbacher GmbH & Co OG, Jenbach, Austria and Member of the Supervisory Board and Chair of the Audit Committee of u-blox AG, Thalwil, Switzerland and Member of the Supervisory Board and Chair of the Audit Committee of technotrans SE, Sassenberg, Germany as well as Senior Advisor at Advent International GmbH, Frankfurt
Member of the Following Committees: Audit Committee (Chair)
- Year of Birth: 1969
- Citizenship: German
- Initial Order: 2024
- Term: until 2028
Education | |
1989 – 1994 | Degree in Business Administration |
1992 – 1993 | Executive Education / M.B.A. |
Professional Career | |
1995 – 2002 | Various Positions in finance and controlling, |
2002 – 2006 | Head of the General Secretariat of the CEO of Volkswagen AG, |
2007 – 2010 | Chairwoman of the Management Board, |
2010 – 2014 | Managing Director, |
2014 – 2018 | Management Board, |
2019 – 2021 | Management Board, |
2023 – 2024 | Management Board (Interim activity)/ Senior Advisor Aurelius, |
Other Mandates
Membership in supervisory boards and comparable regulatory bodies of unlisted companies:
- Supervisory Board and Chair of the Audit Committee of INNIO Jenbacher GmbH & Co OG, Jenbach, Austria (since 2022)
- Independent Senior Advisor at Advent International (since 2022)
Previously:
- Supervisory Board and Chair of the Audit Committee of Vivantes Netzwerk für Gesundheit GmbH, Berlin (2014 – 2020)
- Advisory Board of carmeq GmbH (2007 – 2009)
Membership in supervisory boards and comparable regulatory bodies of listed companies:
- Supervisory Board and Chair of the Audit Committee of u-blox AG, Thalwil/Switzerland (since 2022)
- Supervisory Board and Chair of the Audit Committee of technotrans SE, Sassenberg, Germany (since May 2025)
Previously:
- Supervisory Board and Chair of the Audit Committee of Leoni AG, Nuremberg, Germany (2022 – 2023)
- Supervisory Board and Chair of the Audit Committee of Swiss Steel Group AG, Lucerne/Switzerland (2020 – 2022)
- Supervisory Board of Schweizer Electronic AG, Rottweil/Germany (2016 – 2019)
- Supervisory Board of Extessy AG (2007 – 2009)
Other than listed above, Karin Sonnenmoser has not been a member of any administrative, management or supervisory body of any other company or partnership outside the Group within the last five years.
Independent Director of Trillium Flow Technologies Holdco Ltd, United Kingdom
Former Chairman of Kelvion Holding GmbH, Bochum, Germany
Member of the Following Committees: Mediation Committee
- Year of Birth: 1960
- Citizenship: German
- Initial Order: 2023
- Term: until 2028
Education | |
1980 – 1986 | Diplom-Wirtschaftsingenieur (Degree in Business Administration and Electrical Engineering), TH Darmstadt, Darmstadt |
Professional Career | |
1986 – 1987 | Assistant of the Head of the Market Research and Planning Business Unit, Carl Schenk AG, Darmstadt |
1986 – 1990 | Department Manager Purchasing, Krupp Fördertechnik, Rheinhausen |
1991 – 1995 | Business Unit Manager Logistics, Krupp Fördertechnik, Essen |
1995 – 1999 | Managing Director Krupp South Africa, Krupp Fördertechnik, South Africa |
1999 – 2001 | Head of the Transportation Division, Krupp Fördertechnik, Enningerloh |
2001 – 2006 | CEO, Allweiler AG, Radolfzell |
2006 – 2007 | Managing Director European Bearing Business Unit, NSK Deutschland GmbH |
2007 – 2011 | Member of the Executive Board and responsible for the power engineering division (MAN Diesel&Turbo SE and RENK AG), MAN SE, Munich |
2012 – 2015 | CEO, Sulzer, Winterthur, Switzerland |
2018 – 2021 | Chairman of the Supervisory Board, Kelvion Holding GmbH, Bochum, Germany |
since 2020 | Trillium Flow Technologies Holdco Ltd, Independent Director, London, United Kingdom |
Other Mandates
Membership in supervisory boards and comparable regulatory bodies of unlisted companies:
- Independent Director Trillium Flow Technologies Holdco Ltd, London, United Kingdom (since 2020)
Previously:
- Chairman of Kelvion Holding GmbH, Bochum, Germany (2016 – 2020).
Membership in supervisory boards and comparable regulatory bodies of listed companies:
- None.
Other than listed above, Klaus Stahlmann has not been a member of any administrative, management or supervisory body of any other company or partnership outside the Group within the last five years.
¹ Chairman
² Employee representative
³ Independent members of the Supervisory Board
Qualification Matrix
The supervisory board of RENK Group AG has summarised its evaluation of the status of implementation of the skills profile in a qualification matrix (as at December 2024).
Remuneration of the supervisory board
The remuneration of the Supervisory Board members is set out in Section 15 of the articles of association of RENK Group AG. The Annual General Meeting 2024 has confirmed the remuneration, including its underlying remuneration system, with a majority of 99.99% of the votes.
