Stephan Keller
citizen of Siblingen, Baar
Commercial register
Member of the committee · joint signature by two · Risch
since Apr 22, 2026Chair of the executive board · joint signature by two · Welschenrohr
since Mar 24, 2026joint signature by two · Zug
until Apr 4, 2025Mitglied der Verwaltung · no signing authority · Zürich
until Sep 7, 2023Member of the committee · no signing authority · Zürich
until Jul 8, 2019Member of the board of directors · joint signature by two · Zug
until Dec 6, 2016joint signature by two · Frauenfeld
until Feb 28, 2013