Stefan Mumenthaler
citizen of Trachselwald, Lyss
Commercial register
joint signature by two · Solothurn
since Oct 1, 2026Member of the board of directors · sole signature · Waldenburg
since Jan 18, 2024Chair of the executive board · sole signature · Waldenburg
since Mar 23, 2023Managing director · sole signature · Rümlingen
since Jun 12, 2020Member of the board of directors · Chair of the executive board · sole signature · Waldenburg
since Dec 16, 2019joint procuration by two · Lyss
since Jan 5, 2018joint procuration by two · St. Margrethen
since Jan 5, 2018Managing director · sole signature · Grenchen
since Dec 8, 2014Managing director · sole signature · Grosshöchstetten
Managing director · sole signature
until May 28, 2019Member of the board of directors · Chair of the executive board · sole signature · Waldenburg
Member of the board of directors · sole signature
until Dec 3, 2020Member of the board of directors · sole signature
until Sep 24, 2018joint signature by two · Lyss
until May 8, 2026joint procuration by two · Zürich
until Aug 5, 2025joint procuration by two · Lyss
until Jul 25, 2025joint procuration by two · Lyss
until Jul 25, 2025joint procuration by two · Zürich
until Jun 2, 2025Mitglied der Verwaltung · no signing authority · Waldenburg
until Feb 17, 2025Member of the committee · no signing authority · Teufen (AR)
until Nov 1, 2018Member of the board of directors · no signing authority · St. Gallen
until Oct 25, 2018joint procuration by two · Chur
until Jun 10, 2015