Christian Siegenthaler

citizen of Trub, Oppligen

Commercial register

Member of the board of directors · joint signature by two · Bern

since Jan 20, 2026

Managing director · sole signature · Thun

since Jul 16, 2025

Member of the board of directors · joint signature by two · Bern

since Sep 27, 2024

Member of the foundation board · no signing authority · Muri bei Bern

since Apr 4, 2023

Member of the foundation board · no signing authority

since Apr 4, 2023

Member of the board of directors · joint signature by two · Thun

since Nov 8, 2019

Owner · sole signature · Unterseen

since Dec 27, 2018

Member of the board of directors · joint signature by two · Thun

since Jun 14, 2018

Owner · sole signature · Frenkendorf

since Jul 27, 1994

Chair of the executive board · joint signature by two · Bern

Chair of the executive board · joint signature by two

until Jun 25, 2013

Chair of the board of directors · joint signature by two · Bern

Member of the board of directors · joint signature by two

until May 15, 2026

Member of the board of directors · joint signature by two

until May 11, 2018

Chair of the board of directors · joint signature by two · Thun

Member of the board of directors · joint signature by two

until May 15, 2026

Member of the board of directors · joint signature by two

until Jun 4, 2018

Member of the board of directors · sole signature

until Dec 21, 2017

Chair of the board of directors · joint signature by two · Köniz

Member of the board of directors · joint signature by two

until May 15, 2026

Member of the board of directors · joint signature by two

until Jun 7, 2018

Chair of the board of directors · joint signature by two · Binningen

Member of the board of directors · joint signature by two

until Jun 10, 2026

Chair of the executive board · sole signature · Bern

Chair of the executive board · sole signature

until Jan 6, 2025

Chair of the executive board · sole signature · Bern

Chair of the executive board · sole signature

until Jan 6, 2025

Managing director · sole signature

until Jun 27, 2012

Managing director · sole signature

until Apr 4, 2012

Member of the foundation board · joint signature by two · Zürich

until Aug 16, 2023

Mitglied der Verwaltung · no signing authority · Zürich

until Aug 25, 2022

Managing director · joint signature by two · Porrentruy

until Dec 16, 2014

Managing director · sole signature · Bergün Filisur

until Mar 14, 2000

Proceedings and calls