Supervisory Board Members of Bertrandt AG

Karin Himmelreich

Member of the Supervisory Board Bertrandt AG

Curriculum vitae

Personal Data
Age: 54
Nationality: German

Career
1990-1992	Hewlett-Packard GmbH (Bad Homburg), Trainee
1992-1998	Studies Business Administration at the Johann Wolfgang Goethe University (Frankfurt), graduated with a degree in business administration, Graduation: Diplom-Kauffrau
1994-1995	International Business (Trenton State College, New Jersey / USA)
1998-2001	Arthur Andersen Business Consulting GmbH (Frankfurt), Senior Consultant
2001-2007	Cinven GmbH (Frankfurt), Managing Director
Since 2008	MPTransaction GmbH (Frankfurt), Founding Partner and Managing Director
2020-2021	MPTransaction Pty Ltd (Melbourne / Australia), Founding Partner and Managing Director

Appointment
Date of the initial appointment: February 21st 2024
Duration and end of the current appointment: 5 years, until February 2029

Other mandates: none

As of: October 1st, 2025

Back to list

Tobias Hoppe

Member of the Supervisory Board Bertrandt AG

Curriculum vitae

Personal Data
Age: 44
Nationality: German

Career
1992-1998	Maxim-Gorki-Schule (Salzwedel, Germany): Secondary school leaving certificate
1998-2001	Bruns Holzbau GmbH (Salzwedel, Germany), Apprenticeship as Carpenter
2002-2005	German Armed Forces (Ahlhorn / Straußberg, Germany), military driver BCE
2005-2006	Professional promotion service of the German Armed Forces in conjunction with Verkehrsinstitut Nord GmbH Hamburg, Apprenticeship as Professional driver
2006-2007	UniRoka GmbH (Rostock, Germany), Robot operator
2007-2009	Mayer-Koldingen GmbH & Co KG (Pattensen, Germany), professional driver for heavy and special transport
2010-2012	Professional Training centre for technicians “Gustav Anton Zeuner” (Dresden, Germany), finished as Technician specialised in automotive engineering
2012-2018	Bertrandt Ingenieurbüro GmbH Tappenbeck, Technical Employee Testing
2018-2025	Bertrandt Technologie GmbH Sassenburg, Technical Employee Testing / Full-time Chairman of the Works Council
Since 10/2025	Bertrandt Ingenieurbüro GmbH (Tappenbeck, Germany), Technical Employee Testing

Appointment
Date of the initial appointment: February 21st 2024
Duration and end of the current order: 5 years, until February 2029

Other mandates: none

As of: October 1st, 2025

Back to list

Steffen Heeschen

Member of the Supervisory Board Bertrandt AG

Curriculum vitae

Personal Data
Age: 42
Nationality: German

Career
1997-2001	Realschule am Drömling (Rühen, Germany), Secondary school leaving certificate 1
2001-2004	Volkswagen AG (Wolfsburg, Germany), training as an industrial mechanic specialising in production technology
2004-2006	Volkswagen AG (Wolfsburg, Germany), industrial mechanic specialising in production technology
2006-2007	Work and Travel, New Zealand
2008-2011	Wärtsilä Norway AS (Ålesund, Norway), Service Mechanic
Since 2011	Bertrandt Ingenieurbüro GmbH Tappenbeck, Technical and Commercial Employee since 2014 Lead Engineer since 2018 Deputy Chairman of the Works Council of BIG Tappenbeck since 2025 Chairman of the Works Council of BIG Tappenbeck

Appointment
Date of the initial appointment: February 21st 2024
Duration and end of the current order: 5 years, until February 2029

Other mandates: none

As of: October 1st, 2025

Back to list

Matthias Benz

Chairman of the Supervisory Board of Bertrandt AG (since 07.08.2025)

Curriculum Vitae

Personal Data
Age: 54
Nationality: German

Career
1991-1994	Ravensburg University of Cooperative Education, Degree: Diplom-Betriebswirt (BA)
1994-1997	ZF North American Operations (Florence, USA), Group Controller ZF North America
1997-2000	ZF Friedrichshafen AG (Friedrichshafen, Germany), Assistant to the Chairman of the Board of Management
2000-2001	ZF Friedrichshafen AG (Friedrichshafen, Germany), Senior Manager Corporate Development
2001-2003	ZF Friedrichshafen AG / ZF Sachs AG (Schweinfurt, Germany), Head of Merger Integration
2003-2004	ZF Friedrichshafen AG (Shanghai, China), Member of the Regional Board of Management
2004-2007	ZF North American Operations / ZF Mexico Holding, CFO / Member of the Regional Board of Management
2007-2011	ZF Services GmbH (Schweinfurt, Germany), Managing Director
2011-2015	ZF AG, Marine Group (Padua, Italy) Chief Executive Officer (CEO)
2015-2020	ZF Friedrichshafen AG (Friedrichshafen, Germany), Executive Vice President and Head of Sales ZF Group
2020-2024	CAG-Holding / Neuman Aluminium Industries / Raufoss Technology (Vienna, Austria), Chairman of the Board of Management (CEO)
Since 07/2024	Member of the Management Board of Zeppelin GmbH (Garching, Germany)
Since 10/2024	Chairman of the Management Board / CEO of Zeppelin GmbH (Garching, Germany)

Appointment
Date of initial appointment: May 18th 2022
Duration and end of current appointment: 5 years, February 2029

Other Offices

Member of the Supervisory Board of Zeppelin Baumaschinen GmbH (Garching, Germany)
Member of the Administrative Council of Zeppelin International AG (Steinhausen, Switzerland)
Chairman of the Supervisory Board of Zeppelin Rental GmbH (Garching, Germany)
Chairman of the Supervisory Board of Zeppelin Systems GmbH (Friedrichshafen, Germany)
Member of the Supervisory Board of Pfisterer AG (Winterbach, Germany)
Member of the executive board of Aluminum Deutschland e.V. (Düsseldorf, Germany) (until 30.04.2025)

As of: October 1st, 2025

Back to list

Dietmar Bichler

Chairman of the Supervisory Board (until June 30th 2025)

Curriculum Vitae

Personal Data
Age: 66
Nationality: German

Career
1975-1978	Dr. Ing. h.c. F. Porsche AG (Stuttgart, Germany), training as sheet metal worker
1979-1982	Studies in Automotive Engineering and Welding at Ulm University of Applied Sciences (Ulm, Germany), Degree: Graduate Engineer (FH)
1982-1987	Bertrandt Ingenieurbüro GmbH (Sindelfingen, Germany), Project Manager for Process Engineering
1987-1989	Bertrandt Ingenieurbüro GmbH, Stuttgart, Authorised Officer
1989-1994	Bertrandt Ingenieurbüro GmbH, Stuttgart, Managing Director
1995-1996	Bertrandt GmbH, Tamm, Executive Director
1996-2000	Bertrandt AG, Tamm, Member of the Board of Management responsible for Engineering, Sales and Human Resources
2001-2019	Bertrandt AG, Ehningen, CEO

Appointment
Date of initial appointment: 20 February 2019
Duration and end of current appointment: 5 years, February 2029

Other offices

Chairman of the Supervisory Board of b.invest AG i.L., (Ehningen, Germany)
Member of the Supervisory Board of MAHLE GmbH, (Stuttgart, Germany)
Deputy Chairman of the Supervisory Board of Lindauer DORNIER GmbH, (Lindau, Germany)
Deputy Chairman of the Supervisory Board of Boysen Holding Verwaltungs-SE, (Altensteig, Germany)
Member of the Supervisory Board of MAHLE Behr Verwaltungs GmbH, (Stuttgart, Germany)

As of: October 1st, 2025

Back to list

Martin Roth

Deputy Chairman of the Supervisory Board of Bertrandt AG (since 07.08.2025)

Curriculum Vitae

Personal Data
Age: 57
Nationality: German

Career
Until 1994	Technical University Darmstadt, Degree: Industrial Engineering (Dipl.-Wirt.-Ing.)
1994 - 1998	Dr. Ing. h.c. F. Porsche AG (Stuttgart, Germany), Corporate planning and development
1998 - 2003	Dr. Ing. h.c. F. Porsche AG (Stuttgart, Germany), Head of Purchasing Development
2004 - 2011	Dr. Ing. h.c. F. Porsche AG (Stuttgart, Germany), Head of Financial Planning and Information Management
2011 - 2019	Dr. Ing. h.c. F. Porsche AG (Stuttgart, Germany), Head of Strategy Finance and Risk Management
2020 - 2021	Dr. Ing. h.c. F. Porsche AG (Stuttgart, Germany), Head of Financial Management, Risk Management and M&A
2021 - 2024	Dr. Ing. h.c. F. Porsche AG (Stuttgart, Germany), Head of Financial Management, Risk Management and M&A and acting Head of Finance Strategy and Organization
since 2025	Dr. Ing. h.c. F. Porsche AG (Stuttgart, Germany), Head of Financial Management and M&A

Appointment
Date of initial appointment: July 23rd 2025
Duration and end of current appointment: 7 months, February 18th 2026

Other Offices

Member of the Supervisory Board of VARTA AG (Ellwangen, Germany)
Member of the Supervisory Committee of Cellforce Group GmbH (Kirchentellinsfurt, Germany
Member of the Supervisory Committee of Cetitec GmbH (Pforzheim, Germany)
Member of the Supervisory Committee of Smart Press Shop GmbH & Co. KG (Halle/Saale, Germany)
Member of the Supervisory Committee of Porsche Investments Management S.A. (Luxemburg)
Member of the Supervisory Committee of Rimac Group d.o.o. (Zagreb, Croatia)
Member of the Supervisory Committee of Bugatti Rimac d.o.o. (Zagreb, Croatia)
Member of the Supervisory Committee of Porsche eBike Performance GmbH (Ottobrunn, Germany)
Member of the Supervisory Committee of V4Smart GmbH & Co. KG (Nördlingen, Germany)

As of: October 1st, 2025

Back to list