Walter C. Blum

citizen of Wald (ZH), Zug

Commercial register

Chair of the board of directors · sole signature · Baar

since Sep 29, 2025

Member of the board of directors · sole signature · Baar

since Oct 29, 2024

sole signature · Baar

since Oct 30, 2023

Member of the board of directors · sole signature · Baar

since Aug 10, 2023

Managing director · sole signature · Baar

since Jul 20, 2020

Chair of the board of directors · sole signature · Hunzenschwil

since Mar 17, 2020

Member of the foundation board · sole signature · Zürich

since Dec 17, 2019

Chair of the board of directors · sole signature · Baar

since Dec 20, 2013

Member of the board of directors · sole signature · Zug

since Sep 13, 2011

Member of the board of directors · sole signature · Genève

Chair of the board of directors · sole signature · Lausanne

Chair of the board of directors · sole signature · Zug

Member of the board of directors · sole signature · Sarnen

Member of the board of directors · sole signature · Baar

Member of the board of directors · sole signature · Lausanne

Chair of the executive board · sole signature · Zug

Member of the board of directors · joint signature by two · Carouge (GE)

until Dec 20, 2024

Chair of the board of directors · sole signature · Baar

until Sep 18, 2023

Member of the board of directors · sole signature · Zug

until Jun 30, 2023

sole signature · Baar

until Feb 21, 2023

Member of the board of directors · sole signature · Baar

until Jan 3, 2023

Chair of the board of directors · sole signature · Lausanne

until Nov 17, 2022

Chair of the board of directors · sole signature · Baar

until Nov 15, 2022

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

until Jun 24, 2021

Chair of the board of directors · sole signature · Baar

until Jul 2, 2020

Member of the board of directors · sole signature · Sarnen

until Jul 31, 2019

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

until Jan 30, 2019

Managing director · sole signature · Baar

until Jun 12, 2018

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

until Jan 8, 2018

Chair of the executive board · sole signature · Baar

until Dec 22, 2017

Managing director · sole signature · Zug

until Dec 20, 2017

Member of the board of directors · sole signature · Freienbach

until Dec 11, 2017

Member of the board of directors · sole signature · Baar

until Sep 8, 2017

Managing director · joint signature by two · Urdorf

until Jan 26, 2016

Member of the board of directors · sole signature · Lausanne

until Dec 16, 2015

Member of the board of directors · sole signature · Cham

until Sep 24, 2013

Member of the board of directors · joint signature by two · La Chaux-de-Fonds

until Jul 17, 2009

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

until Jun 20, 2008

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

until Mar 30, 2006

Vice-chair of the board of directors · sole signature · Risch

until Feb 20, 2004

Vice-chair of the board of directors · sole signature · Risch

until Nov 12, 2003

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

until Nov 5, 2003

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

until Nov 5, 2003