Management board

Susanne Wiegand

CEO RENK Group AG

Susanne Wiegand

CEO RENK Group AG

Susanne Wiegand was born in Kassel, Germany.

Mrs. Wiegand holds a degree in business administration (Diplom-Kauffrau) from Johann Wolfgang von Goethe University in Frankfurt. She started her career in 1996 at Diebold Deutschland GmbH as management consultant. In 1999, she joined T-Systems International GmbH as senior vice president in business development.

She worked as a management consultant for major industrial groups before she joined thyssenkrupp Marine Systems GmbH as head of strategy, business development and M&A from 2005 to 2007. From 2007 to 2017 she was managing director at several German shipyards (i.e., Nobiskrug GmbH, German Naval Yards Kiel GmbH, Lindenau GmbH) ultimately controlled by Privinvest SAL, before she joined Rheinmetall AG as chief executive officer of the Electronic Solutions division. She joined RENK in 2021 as chief executive officer of the Company.

Alongside her office as Chief Executive Officer and member of the Management Board of the Company, Mrs. Wiegand is, or has within the last five years been, a member of the administrative, management or supervisory bodies of and/or a partner in the following companies and partnerships outside of RENK:

  • Currently:
    • Member of the supervisory board of BWI GmbH, Meckenheim, Germany, since 2022.
  • Previously:
    • Chief executive officer (Vorsitzende der Geschäftsführung) of Rheinmetall Electronics GmbH, Bremen, Germany (2018 – 2021);
    • President of the administrative board (Präsidentin des Verwaltungsrates) of Rheinmetall Air Defence AG, Zurich, Switzerland (2018 – 2021);
    • Chairwoman of the board of directors of Rheinmetall Italia S.p.A, Rome, Italy (2018 – 2021);
    • Member of the supervisory board of ISRA VISION AG (now ISRA VISION GmbH), Darmstadt, Germany, (2015 – 2020).

Other than listed above, Susanne Wiegand 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.

Christian Schulz

CFO RENK Group AG

Christian Schulz

CFO RENK Group AG

Christian Schulz was born in Schmalkalden, Germany.

Mr. Schulz holds a Bachelor of Business Administration from Baden-Wuerttemberg Cooperative State University. He started his career in 1999 at Daimler Truck AG as manager sales controlling and became senior manager risk management in 2004. From 2006 to 2008, he was head of controlling of the Gaggenau plant at Daimler AG before he became director controlling products & production at Mitsubishi Fuso Truck and Bus Corporation in 2008 and director controlling operations Mercedes-Benz Cars at Mercedes-Benz AG in 2011. In 2017 he joined Traton Group where he became chief financial officer in 2018. He was appointed as Chief Financial Officer of the RENK Group AG in 2023.

Alongside his office as Chief Financial Officer, Mr. Schulz is, or has within the last five years been, a member of the administrative, management or supervisory bodies of and/or a partner in the following companies and partnerships outside of RENK:

  • Currently:
    • None.
  • Previously:
    • Traton SE, Chief Financial Officer, Munich, Germany (2018 to 2021);
    • Member of the supervisory board of Navistar Inc, Lisle, Illinois, United States (2018 to 2021);
    • Member of the supervisory board of MAN Truck & Bus SE, Munich, Germany (2018 to 2021); and
    • Member of the supervisory board of Scania AB, Södertälje, Sweden (2018 to 2021).

Other than listed above, Christian Schulz 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.

Dr. Alexander Sagel

COO RENK Group AG

Dr. Alexander Sagel

COO RENK Group AG

Dr. Alexander Sagel was born in Kronberg/Taunus, Germany.

Dr. Sagel holds a degree in materials science and solid state physics from the Technical University of Berlin and a doctorate degree in materials research, having conducted his doctoral studies at the Technical University of Berlin, the University of Wisconsin-Madison and the University of Ulm. He began his professional career in 1998 at Daimler AG, where he ultimately worked as Executive Assistant to the Executive Vice President Sales & Marketing Mercedes-Benz Trucks. In 2005, Dr. Sagel took over the position of Vice President Innovation Services & Business Development in the Pistons division at Rheinmetall AG, where - after holding positions as Vice President Sales Marketing and Managing Director as well as CEO of the Pistons division - he was appointed CEO of the Hardparts division within the Automotive segment in 2014. In 2018, by taking over as CEO of the Weapon & Ammunition division, he moved to the Defense segment of Rheinmetall AG, where he ultimately took over as CEO of the Electronic Solutions division in April 2023. In 2024, he was appointed Chief Operating Officer (COO) of RENK Group AG.

Alongside his office as Chief Operating Officer, Dr. Sagel is, or has within the last five years been, a member of the administrative, management or supervisory bodies and/or a partner in the following companies and partnerships outside of RENK:

  • Currently:
    • None.
  • Previously:
    • Chairman of the supervisory board of Rheinmetall Electronics GmbH (2020-2023);
    • Chairman of the administrative board of Nitrochemie AG, Switzerland (2018-2022);
    • Chairman of the administrative board of Rheinmetall Air Defence, Switzerland (2023-2024);
    • Member of the supervisory board of AIM Infrarotmodul GmbH (2023-2024);
    • Member of the supervisory bard of Rheinmetall Denel Munitions, South Africa (2018-2023);
    • Chairman of the board of managing directors of Rheinmetall Waffe & Munition GmbH (2019-2023);
    • Chairman of the board of managing directors of Rheinmetall Electronics GmbH (2023-2024).

Other than listed above, Dr. Alexander Sagel 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.

Supervisory board

Members of the Supervisory Board

(Chairman)

Claus von Hermann 1

Investment Advisory Professional, Co-Head DACH at Triton Partners, Frankfurt am Main

Member of the Investment Advisory Committee at Triton Partners, Frankfurt am Main, Germany (employed by Triton Beratungsgesellschaft GmbH)

Claus von Hermann

(Chairman)

Claus von Hermann was born in Hamburg, Germany.

Claus von Hermann holds a degree in business administration from ESB Reutlingen Business School and a bachelor in European business from Dublin Business School. He started his career as an associate at Credit Suisse First Boston from 2001 to 2004 and became associate at Court Square Capital Partners in 2004. He joined Triton Partners as an investment advisory professional in 2007 and is currently co-head of Triton Mid Market (TMM) and a member of the TMM Investment Advisory Committee. In 2023, he was appointed chairperson of the Supervisory Board.

  • Other current mandates:
    • Managing director of Triton Beratungsgesellschaft GmbH, Frankfurt, Germany since 2016;
    • Member of the advisory board of Kelvion Holding GmbH, Bochum, Germany, since 2018.
  • Previously:
    • Member of the advisory board of Ewellix AB, Gothenburg, Sweden (2019 to 2023).

Other than listed above, Claus von Hermann 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 Mediation Committee
Member of the Nomination Committee
Chairperson of the Personnel Committee

(Employee representative)

Klaus Refle 2

Chairperson of the Joint Works Council of RENK GmbH

Chairperson of the Works Council of RENK GmbH, Augsburg

Chairperson of the Works Council of RENK Test System GmbH

Klaus Refle

(Employee representative)

Klaus Refle was born in Augsburg, Germany.

Klaus Refle was trained as machinist at RENK Aktiengesellschaft. In 1985, following his apprenticeship, he worked at RENK Aktiengesellschaft as CNC operator. From 2014 to 2018, he was deputy chairperson of the works council of RENK Aktiengesellschaft and RENK Test System GmbH. Since 2018, he is chairperson of the works council of RENK GmbH and RENK Test System GmbH. He further is chairperson of the joint works council of RENK GmbH. He was appointed as deputy chairperson of the Supervisory Board in 2023. Alongside his membership of the Supervisory Board, Klaus Refle is, or has within the last five years been, a member of the administrative, management or supervisory bodies of and/or a partner in the following companies and partnerships outside of RENK:

  • Other current mandates:
    • None.
  • Previously:
    • 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.

Member of the Audit Committee
Member of the Mediation Committe
Member of the Personnel Committee

Swantje Conrad 3

Non-Executive Director and member of the Audit and Nomination Committees of CT Private Equity Trust PLC

Non-Executive Director and Chair of the Audit Committee of TeamViewer SE

Swantje Conrad

Swantje Conrad was born in Stuttgart, Germany.

Swantje Conrad holds a degree in business administration and information technology from Karlsruhe Institute of Technology and a Master of International Business Studies from University of South Carolina. She started her career at J.P. Morgan in 1991 where she worked as an associate and corporate finance analyst, as vice president in mergers and acquisition, as managing director and head of pan-European diversified industrials equity research, as managing director and equity specialist sales pan-European capital goods, aerospace and automotive as well as managing director in senior relationship management for institutional asset management clients. From 2017 to 2019 she then worked as non-executive director and member of the audit and appointments and remuneration committees at Siemens Gamesa and since 2017 she is non-executive director of CT Private Equity Trust plc. In 2023, she was appointed as member of the Supervisory Board.

  • Other current mandates:
    • Member of the supervisory board of TeamViewer SE, Goeppingen, Germany, since May 2023, and
    • Non-executive director of CT Private Equity Trust plc, Edinburgh, United Kingdom, since 2017.
  • Previously:
    • Independent director of Siemens Gamesa Renewable Energy S/A, Zamudio, Spain, 2017-2019.

Other than listed above, Swantje Conrad 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.

Chairperson of the Audit Committee

(Employee representative)

Sascha Dudzik 2

First Authorised Representative and Treasurer of IG Metall, Hanover

Sascha Dudzik

(Employee representative)

Sascha Dudzik was born in Hanover, Germany.

Sascha Dudzik is trained as an industrial mechanic and holds a diploma in commercial and labor law from University of Hamburg. He started his career in 1998 as an industrial mechanic at Volkswagen Commercial Vehicles. In 2006, he joined IG Metall as a trainee and then became trade union secretary in 2007 and treasurer in 2016. In 2017, he became the second authorized representative and treasurer of IG Metall and since 2023, he is first authorized representative of IG Metall. In 2023, he was appointed as member of the Supervisory Board.

  • Other current mandates:
    • Member of the supervisory board of WABCO Holding GmbH, Hanover, Germany, since 2018, and
    • Member of the supervisory board of KraussMaffei Group GmbH, Vaterstetten, Parsdorf, Germany, since 2017.
  • Previously:
    • None.

Other than listed above, Sascha Dudzik 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 Audit Committee

Cécile Dutheil

Head of Human Capital Portfolio at Triton Partners, Frankfurt am Main, Germany 
(employed by West Park Management Services Germany GmbH)

Cécile Dutheil

Cécile Dutheil was born in Paris, France.

Cécile Dutheil holds a bachelor’s degree in law and political sciences from the University Paris XIII as well as a master degree in business administration from the University of Applied Sciences Coblence Germany & DEMOS EWA European Academy for Economics. She held various leading roles within Human Resources at Kennametal Inc., CT Consulting, WWL Internet AG and Tomey AG in Germany.

In 1996 she started working as director of Human Resources and Business Development at WWL Internet AG, before becoming human resources manager for Europe Sales & Marketing and Talent Development at Kennametal. She held various positions at Kennametal including Director HR Global Sales Marketing, Global Customs Solutions & RD & E at Kennametal Inc. in Pittsburgh, United States as well as vice president Human Resources Europe, Middle East & Africa, Eaton in Lausanne Schweiz. Prior to her current role as Head of Human Capital Portfolio at Triton Partners she has held since 2019, she worked at DELPHI Automotive plc, where she most recently held the position of Vice President Global HR for the Engineered Component Group and EMEA Corporate HR Lead based in Wuppertal, Germany. Prior to that she was Vice President Corporate Human Resources EMEA at Eaton Industries Manufacturing GmbH in Morges, Switzerland from 2013 to 2016 and Divisional Director Human Resources EMEA Electrical Sector at Eaton Industries GmbH in Bonn, Germany from 2010 to 2012.

  • Other current mandates:
    • None.
  • Previously:
    • None.

Other than listed above, Cécile Dutheil 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 Nomination Committee
Member of the Personnel Committee

(Employee representative)

Lothar Evers 2

Works Council Chairman RENK GmbH, Rheine Plant

Deputy Chairman of the General Works Council of the RENK GmbH

Lothar Evers

(Employee representative)

Lothar Evers was born in Rheine, Germany.

Lothar Evers was trained as an industrial machinist at RENK-Tacke GmbH. In 1990, following his apprenticeship, he started his career at RENK AG as industrial machinist on turning lathe, various conventional machines and CNC machining centers. In 2017, he first became deputy chairperson and then chairperson of the works council at RENK AG (now RENK GmbH). Since 2018, he also is deputy chairperson of the joint works council at RENK. He was appointed as member of the Supervisory Board in 2023.

  • Other current mandates:
    • None.
  • Previously:
    • None.

Other than listed above, Lothar Evers 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 Mediation Committee

Florian Hohenwarter 3

Managing Director of KNDS Deutschland GmbH & Co. KG

Florian Hohenwarter

Florian Hohenwarter was born in Regensburg, Germany.

Mr. Hohenwarter holds a degree in electrical engineering from the Baden Württemberg Cooperative State University. He began his professional career in 1999 at Mercedes-Benz AG Passenger Cars in Quality Management. From 2001 to 2019, he held various positions at Mercedes-Benz AG Passenger Cars in Germany and abroad, including Head of the Global Quality Engineering Center, leading operations functions as part of the ramp-up of the Mercedes-Benz plant in Beijing, Head of Supply Chain Management Mercedes-Benz Passenger Cars Large Series and Head of the Production Network Components and Structural Parts Castings/ Forging Mercedes-Benz Passenger Cars. At Mercedes-Benz AG, Mr. Hohenwarter was ultimately Head of Production Europe/Africa Passenger Cars. Since April 2023, he is Chief Operating Officer of KNDS Germany GmbH & Co. KG. He was appointed a member of the Supervisory Board in 2024.

  • Other current mandates:
    • Managing Director of KNDS Deutschland GmbH & Co. KG
  • Previously:
    • Chairperson of the supervisory board of MB Manufacturing Hungary (2019 to 2023)
    • Member of the supervisory board of MB Südafrika (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.

(Employee representative)

Adela Lieb 2

Head of Corporate Accounting RENK Group

Adela Lieb

(Employee representative)

Adela Lieb was born in Satu Mare, Romania.

Adela Lieb holds a degree in business administration from University of Augsburg. She started her career at Deloitte & Touche GmbH in 2002 as accountant in the accounting and taxation division and became senior accountant in 2006. From 2008 to 2013, she worked as chief accountant at RENK Test System GmbH before she became head of accounting and controlling. From 2016 to 2020, she was director of commercial management, finance and controlling at RENK Test System GmbH before she became head of finance department at RENK GmbH. Since 2022 she is head of corporate accounting at RENK. In 2023, she was appointed as member of the Supervisory Board.

  • Other current mandates:
    • None.
  • Previously:
    • 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.

Johannes Meier

Investment Advisory Professional at Triton Partners, Frankfurt am Main
(employed by Triton Beratungsgesellschaft GmbH)

Johannes Meier

Johannes Meier was born in Kaufbeuren, Germany.

Johannes Meier holds a degree in business administration from Dual University Baden-Württemberg and a degree in international management from Open University London. He also holds a degree as chartered financial analyst from the CFA Institute. He started his career in 2009 as financial group controller at Voith GmbH before he worked as a senior associate at KPMG AG. From 2014 to 2018 he worked as a portfolio monitoring and development professional at West Park Management. Since 2018, he is an investment advisory professional at Triton. He was appointed as member of the Supervisory Board in 2023.

  • Other current mandates:
    • None.
  • Previously:
    • Member of the advisory board at Talis Management Holding GmbH, Heidenheim, Germany, since 2022.

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.

Member of the Audit Committee
Member of the Nomination Committee

(Employee representative)

Horst Ott 2

District manager of IG Metall Bavaria

Horst Ott

(Employee representative)

Horst Ott was born in Augsburg, Germany.

Horst Ott completed an apprenticeship as a machine fitter at RENK AG. From 1982 to 1989, he was an elected youth and trainee representative at RENK AG. In 1989, he joined IG Metall, where he initially worked as an apprentice and from 1992 as a career starter. From 2008 to 2012 he was the second authorized representative and from 2012 to 2023 the first authorized representative of IG Metall Amberg. He has been District Director of IG Metall Bavaria since 2023. In the same year, he was appointed as a member of the Supervisory Board.

  • Other current mandates:
    • None.
  • Previously:
    • Deputy Chairman of the Supervisory Board of Grammer Aktiengesellschaft, Ursensollen, Germany, 2012-2023.

Beyond that, Horst Ott has not been a member of an administrative, management or supervisory body of another company or partnership outside the Group in the last five years.

Member of the Personnel Committee

(Employee representative)

Mario Sommer 2

Process Planner for Cubic Parts Production in Vehicle Transmissions division, RENK GmbH

Mario Sommer

(Employee representative)

Mario Sommer was born in Burgstädt, Germany.

Mario Sommer holds a degree in product technology engineering from the University of Cooperative Education Glauchau. He started his career in 2014 at MAN Roland, where he worked as planning engineer for rotary parts production. In 2013, he joined RENK GmbH and works as process planner for cubic parts production in the vehicle transmission division. He was appointed as member of the Supervisory Board in 2023.

  • Other current mandates:
    • None.
  • Previously:
    • None.

Other than listed above, Mario Sommer 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.

Klaus Stahlmann 3

Independent Director at Trillium Flow Technologies Holdco Ltd, United Kingdom

Former Chairman of the Supervisory Board of Kelvion Holding GmbH, Bochum

Klaus Stahlmann

Klaus Stahlmann was born in Bogota, Colombia.

Klaus Stahlmann holds a degree in business administration and electrical engineering from Hochschule Darmstadt. He started his career in 1986 at Carl Schenck AG, where he worked as assistant of the head of the market research and planning business unit. In 1986, he joined Krupp Fördertechnik GmbH, where he worked as department manager purchasing (1986-1990), business unit manager logistics (1991-1995), managing director of Krupp South Africa (1995-1999) and head of the transportation division (1999-2001). From 2001 to 2006, he was chief executive officer of Allweiler AG before he became managing director of the European bearings division at NSK Deutschland GmbH. In 2007, he joined MAN SE as member of the executive board and was responsible for the power engineering division and chief executive officer of MAN Diesel & Turbo SE. From 2012 to 2015, he was chief executive officer of Sulzer AG. He was chairman of the supervisory board of Kelvion Holding GmbH until 2023 and since 2020, he is independent director of Trillium Flow Technologies Holdco Ltd. He was appointed as member of the Supervisory Board in 2023.

  • Other current mandates:
    • Non-executive board member of Trillium Flow Technologies Holdco Ltd., London, United Kingdom, since 2020.
  • Previously:
    • Member and chairperson of the advisory board of Kelvion Holding GmbH, Bochum, Germany, 2016-2021.

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.

Member of the Mediation Committee

¹ Chairman
² Employee representative
³ independent members of the Supervisory Board

Declaration of conformity

Corporate governance sets out the rules, processes and structures that govern the behavior and decision-making of RENK. By promoting transparency, accountability and responsible management, effective corporate governance at our company helps secure the long-term success and sustainability of businesses while protecting the interests of various stakeholders. Find our commitment to corporate governance and compliance in our declaration of conformity.

Compliance statement

As a globally active company, the RENK Group AG bears social and legal responsibility. This responsibility includes ensuring that RENK complies with applicable laws at all times and in all places, respects fundamental ethical values and acts with integrity.

Compliance
Code of conduct and ESG

Binding ethical principles of conduct and compliance requirements are laid down for all employees in the RENK Code of Conduct.

Code of Conduct
Director dealings

Going forward, in this section you can gain insights into the trading activities of our company’s directors through our director dealing disclosures.

May 17, 2024
Günter Hauser
May 17, 2024
Christian Schulz
May 17, 2024
Susanne Wiegand
February 19, 2024
Günter Hauser
February 09, 2024
Christian Schulz
February 09, 2024
Claus von Hermann
February 09, 2024
Johannes Meier
February 09, 2024
Günter Hauser
February 09, 2024
Susanne Wiegand
February 09, 2024
Cécile Dutheil
Articles of association

Access our company’s governing rules.

Remuneration system

Understand our executive remuneration policies and structures.

Contact
RENK Group

RENK Group AG

Ingo Schachel, Head of Investor Relations