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Supervisory Board members
Apprenticeship as information systems engineer
1986-1995:
Youth and apprentices’ representative, then full-time member of works council and head of shop stewards at Siemens AG Augsburg
Since 1995:
Trade union officer at IG Metall Local Office in Augsburg
2004 – 2011:
President of the IG Metall Local Office in Augsburg (since 2000 vice-president)
Since 2011:
Member of the Executive Committee of IG Metall and
2013 – 2023:
Treasurer of IG Metall, responsible for IG Metall finances and assets and for coordinating sector policies and for the Siemens Group
Since 2023:
Member of the Executive Board an 2nd Chairman of IG Metall
(as of October 1, 2025)
thyssenkrupp AG (since 2020, appointed until 2029) *)
MAN Truck & Bus SE
Siemens AG *)
Siemens Energy AG *)
TRATON SE *)
*) Company listed on the stock exchange