Supervisory Board

The Supervisory Board consists of six members:

Dr. Stefan Sommer

Chairman of the Supervisory Board

Occupation: Consultant

Initial appointment: 05.05.2022 // Appointed until: AGM 2028
Year of birth: 1963
Place of birth: Muenster, Germany // Nationality: German

Further supervisory group mandates within JOST: none

Current seats in supervisory board/control committees besides JOST Werke SE:

  • Member of the supervisory board, Knorr-Bremse AG, Munich, Germany (listed)
  • Member of the presidential council of DEKRA e.V., Germany (not stock-listed)
  • Chairman of the advisory board, Intech GmbH, Garching, Germany (not stock-listed)

Vita PDF updated März 2023

Jürgen Schaubel

Deputy Chairman of the Supervisory Board

Occupation: Consultant, Oaktree Capital Management

Initial appointment: 23.06.2017 // Appointed until: AGM 2028
Year of birth: 1963
Place of birth: Bönningheim, Germany // Nationality: German

Further supervisory group mandates within JOST: none

Current seats in supervisory board/control committees besides JOST Werke SE:

  • Member of the Supervisory Board, Chairman of the Audit Committee, Optimum Maritime Holding, Limassol, Cyprus (not stock-listed)
  • Member of the Administrative Board, MFD Rail Holding AG, Rotkreuz, Switzerland (not stock-listed)
  • Member of the Advisory Board of Baiersbronn Frischfaser Karton Holding GmbH, Baiersbronn, Germany (not stock-listed)

The above companies are portfolio companies of Oaktree Capital Management. Accordingly, the respective board positions are directly related to Mr. Schaubel’s principal occupation as a consultant at Oaktree Capital Management.

Vita PDF updated March 2023

Natalie Hayday

Member of the Supervisory Board

Occupation: Managing Director at 7Square GmbH, Frankfurt

Initial appointment: 23.06.2017 // Appointed until: AGM 2028
Year of birth: 1976
Place of birth: Guildford, England // Nationality: British

Further supervisory group mandates within JOST: none 

Current seats in supervisory board/control committees besides JOST Werke SE: 

  • Member of the Supervisory Board of Novem Group S.A., Contern, Luxembourg (stock-listed)
  • Member of the advisory council of SALUX Real Estate GmbH, Frankfurt am Main, Deutschland (not stock-listed)

Vita PDF updated March 2023

Rolf Lutz

Member of the Supervisory Board

Occupation: Graduate Engineer, retired

Initial appointment: 23.06.2017 // Appointed until: AGM 2028
Year of birth: 1952
Place of birth: Tübingen, Germany // Nationality: German

Further supervisory group mandates within JOST: none 

Current seats in supervisory board/control committees besides JOST Werke SE: none

Vita PDF updated March 2023

Diana Rauhut

Member of the Supervisory Board

Occupation: Chief of Sales, Energy Services, Digitalisation and IT at Mainova AG

Initial appointment: 11 May 2023// Appointed until: AGM 2028
Year of birth: 1976
Place of birth: Wiesbaden, Germany // Nationality: German

Further supervisory group mandates within JOST: none

Current seats in supervisory board/control committees besides JOST Werke SE:

  • Energieversorgung Main-Spessart GmbH, chairwoman of the supervisory board (not stock-listed)
  • Oberhessische Gasversorgung GmbH, chairwoman of the supervisory board (not stock-listed)
  • Stadtwerke Dreieich GmbH, vice chairwoman of the supervisory board (not stock-listed)
  • Gasversorgung Main-Kinzig GmbH, member of the supervisory board (not stock-listed)
  • Gasversorgung Offenbach GmbH, member of the supervisory board (not stock-listed)
  • Werraenergie GmbH, member of the supervisory board (not stock-listed)

The aforementioned memberships are directly related to Ms. Rauhut's main professional activity as a member of the Management Board at Mainova AG.

Vita PDF updated March 2023

Karsten Kühl

Member of the Supervisory Board

Occupation: Managing Director and CFO at Peter Möhrle Holding

Initial appointment: 11 May 2023// Appointed until: AGM 2028
Year of birth: 1973
Place of birth: Hamburg, Germany // Nationality: German

Further supervisory group mandates within JOST: none 

Current seats in supervisory board/control committees besides JOST Werke SE: none

Vita PDF updated March 2023

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