Stefan Erwin BuchnerMember of the Supervisory Board

Education

• 1977 – 1979: 
  Apprenticeship as a communications equipment mechanic Vocational school for radio and information electronics, Munich

• 1979 – 1980: 
  University of applied sciences entrance qualification University of Applied Sciences, Esslingen am Neckar

• 1980 – 1981:
  Federal Armed Forces

• 1981 – 1986: 
  Studies in industrial engineering University of Applied Sciences, Esslingen am Neckar

Career

• 1987 - 1999: 
  Daimler Benz AG, Stuttgart and Sindelfingen

• 1987 – 1989:
  Junior manager group

• 1989 – 1990: 
  Buyer in Central Purchasing-Production Material

• 1990 – 1993: 
  Head of Section Purchasing-Holding Non-Production Material

• 1993 – 1995:
  Head of Department Purchasing-Holding Non-Production Material

• 1995 – 1996:
  Project Leader Purchasing New Vehicle Generation BR 211 (E-Class)

• 1996 – 1998: 
  Head of Purchasing Interior

• 1998 – 1999:
  Head of Purchasing Interior, Exterior & Complete Vehicles

• 1999 – 2002:
  Head of Purchasing Interior, Exterior & Complete Vehicles, DaimlerChrysler, Sindelfingen

• 2002 – 2004:
  Member of the Management Board and Head of Global Procurement & Supply, Mitsubishi Motors Corporation, Tokyo

• 2004 – 2013:
  Member of the Management Board, Daimler Trucks, Stuttgart

• 2004 – 2010:
  Head of Procurement, Daimler Trucks & Buses

• 2010 – 2013: 
  Head of Global Powertrain, Procurement & Manufacturing Engineering

• 2013 – 2020:
  Member of the Management Board, Daimler Truck AG, Stuttgart and Head of Daimler Truck - Region Europe / Latin America and the Mercedes-Benz brand

Membership of supervisory boards within the meaning of § 125 of the German Stock Corporation Act (AktG)

^{(as of January 31, 2026)}

• thyssenkrupp AG (since 2021, appointed until 2029) ^*)

• AUMOVIO SE, Frankfurt/Main (since September 5, 2025, Chairman of the Supervisory Board) ^*)

• DRX Management SE, Vilsbiburg (since May 1, 2025)

• MOSOLF Verwaltungen SE, Kirchheim/Teck

^{*) Company listed on the stock exchange}