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)
  • Member of the Board of Directors, Aeva Technologies Inc., Mountain View, CA, USA (listed)

Vita PDF updated March 2024

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:

  • OSM THOME Ltd., Limassol, Cyprus (not listed), member of the supervisory board and chairman of the audit committee
  • MFD Rail Holding AG, Rotkreuz, Switzerland (not listed), member of the administrative board
  • Baiersbronn Frischfaser Karton Holding GmbH, Baiersbronn, Germany (not listed), member of the advisory board and chairman of the audit committee
  • NextClinis International GmbH, Augsburg, Germany (not listed), member of the advisory board and chairman of the audit committee
  • LifeFit Group, Frankfurt, Germany, (not listed), member of the advisory board and chairman of the audit committee

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 2024

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 2024

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 2024

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 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 2024

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 2024

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