Walter C. Blum
citizen of Wald (ZH), Zug
Commercial register
Chair of the board of directors · sole signature · Baar
since Sep 29, 2025Member of the board of directors · sole signature · Baar
since Oct 29, 2024sole signature · Baar
since Oct 30, 2023Member of the board of directors · sole signature · Baar
since Aug 10, 2023Managing director · sole signature · Baar
since Jul 20, 2020Chair of the board of directors · sole signature · Hunzenschwil
since Mar 17, 2020Member of the foundation board · sole signature · Zürich
since Dec 17, 2019Member of the board of directors · joint signature by two · Zug
since Jan 30, 2019Member of the board of directors · sole signature · Einsiedeln
since Mar 12, 2014Chair of the board of directors · sole signature · Baar
since Dec 20, 2013Director · sole signature · Baar
since Apr 19, 2012Member of the board of directors · sole signature · Zug
since Sep 13, 2011Chair of the board of directors · sole signature · Baar
since Oct 15, 2010Member of the board of directors · sole signature · Baar
since Feb 17, 2010Member of the board of directors · sole signature · Zürich
since Oct 23, 2009Member of the foundation board · sole signature · Zürich
since Feb 14, 2007Member of the board of directors · joint signature by two · Zug
since Apr 13, 2006Member of the board of directors · sole signature · Zug
since Feb 24, 2006Member of the board of directors · sole signature · Berikon
Chair of the board of directors · sole signature
until Apr 20, 2012Chair of the board of directors · sole signature
until Nov 13, 2003Member of the board of directors · sole signature · Baar
Member of the board of directors · sole signature
until Nov 10, 2003Chair of the board of directors · sole signature · Baar
Member of the board of directors · sole signature
until Oct 10, 2014Member of the board of directors · sole signature
until Nov 13, 2003Member of the board of directors · sole signature · Baar
Member of the board of directors · sole signature
until Nov 12, 2003Member of the board of directors · sole signature · Genève
Chair of the board of directors · sole signature · Lausanne
Member of the board of directors · sole signature
until Dec 16, 2015Member of the board of directors · sole signature · Freienbach
Chair of the board of directors · sole signature · Zug
Member of the board of directors · sole signature
until Jun 30, 2023Member of the board of directors · sole signature · Sarnen
Member of the board of directors · sole signature · Baar
Chair of the board of directors · sole signature
until Jul 2, 2020Chair of the executive board · sole signature
until Dec 22, 2017Chair of the board of directors · sole signature · Cham
Member of the board of directors · sole signature
until Apr 21, 2020Member of the board of directors · sole signature · Lausanne
Chair of the board of directors · sole signature
until Nov 17, 2022Chair of the board of directors · sole signature · Wädenswil
Member of the board of directors · sole signature
until Mar 17, 2006Chair of the board of directors · sole signature · Zug
Member of the board of directors · sole signature
until Sep 3, 2020Chair of the board of directors · sole signature
until Jul 11, 2018Chair of the board of directors · joint signature by two
until Dec 30, 2011Chair of the board of directors · joint signature by two
until Nov 12, 2003Chair of the executive board · sole signature · Zug
Managing director · sole signature
until Dec 20, 2017Member of the board of directors · sole signature · Zug
Vice-chair of the board of directors · sole signature
until Oct 6, 2022Vice-chair of the board of directors · joint signature by two
until Dec 28, 2020Member of the board of directors · sole signature
until Feb 10, 2006Member of the board of directors · sole signature
until Nov 12, 2003Chair of the foundation board · joint signature by two · Baar
Chair of the foundation board · joint signature by two
until Nov 12, 2003Chair of the executive board · sole signature · Baar
Managing director · joint signature by two
until Mar 15, 2010Managing director · joint signature by two
until Nov 12, 2003Member of the board of directors · sole signature · Baar
until Sep 25, 2026Member of the board of directors · joint signature by two · Baar
until Aug 28, 2026Member of the board of directors · joint signature by two
until Jul 25, 2025Member of the board of directors · joint signature by two · Sarnen
until May 6, 2025Member of the board of directors · joint signature by two
until Nov 5, 2003Member of the board of directors · joint signature by two · Carouge (GE)
until Dec 20, 2024sole signature · Baar
until Apr 11, 2024Chair of the board of directors · sole signature
until Feb 27, 2020Member of the board of directors · sole signature
until Sep 9, 2011Chair of the board of directors · sole signature · Baar
until Sep 18, 2023Member of the board of directors · sole signature
until Jan 3, 2023Chair of the board of directors · sole signature
until Nov 15, 2022Member of the board of directors · joint signature by two · Sins
until Sep 12, 2023Member of the board of directors · joint signature by two
until Nov 12, 2003Member of the board of directors · sole signature · Baar
until Sep 1, 2023Member of the board of directors · sole signature · Steinhausen
until Apr 28, 2023Managing director · sole signature
until Nov 23, 2011sole signature · Baar
until Feb 21, 2023Member of the board of directors · sole signature · Zug
until Jan 23, 2023Member of the board of directors · joint signature by two · Dübendorf
until Jun 24, 2021sole signature · Dübendorf
until Jun 22, 2021Member of the board of directors · joint signature by two · Zug
until Jun 1, 2021Member of the board of directors · sole signature · Sarnen
until Jul 31, 2019Member of the board of directors · joint signature by two · Zug
until Jan 30, 2019Managing director · sole signature · Baar
until Jun 12, 2018Member of the foundation board · joint signature by two · Laufen
until Jan 8, 2018Member of the foundation board · joint signature by two
until Nov 5, 2003Member of the board of directors · sole signature · Freienbach
until Dec 11, 2017Member of the board of directors · sole signature · Baar
until Sep 8, 2017Member of the board of directors · joint signature by two · Basel
until Jun 9, 2017Member of the board of directors · joint signature by two · Rohr (AG)
until Sep 13, 2016Managing director · joint signature by two · Urdorf
until Jan 26, 2016Member of the board of directors · joint signature by two
until Mar 30, 2006Partner · no signing authority · Zug
until Jul 2, 2014Chair of the board of directors · sole signature · Zug
until Apr 14, 2014Member of the board of directors · sole signature
until Sep 10, 2012Member of the board of directors · sole signature · Baar
until Feb 17, 2014Member of the board of directors · sole signature · Cham
until Sep 24, 2013Member of the board of directors · sole signature · Baar
until Mar 26, 2012Member of the board of directors · joint signature by two · Otelfingen
until Feb 21, 2012Managing director · sole signature · Baar
until May 31, 2011Managing director · sole signature
until Jan 22, 2009Managing director · no signing authority
until Nov 28, 2003Member of the board of directors · joint signature by two · Baar
until May 27, 2011Vice-chair of the board of directors · joint signature by two · Zug
until Oct 26, 2010Member of the board of directors · sole signature · Zug
until Jul 1, 2010Member of the board of directors · joint signature by two · La Chaux-de-Fonds
until Jul 17, 2009Member of the board of directors · joint signature by two · Baar
until Sep 2, 2008Member of the board of directors · joint signature by two
until Nov 12, 2003Member of the board of directors · joint signature by two · Sennwald
until Jun 20, 2008Member of the board of directors · joint signature by two
until Nov 5, 2003Member of the board of directors · sole signature · Baar
until Feb 28, 2008Member of the board of directors · sole signature · Baar
until Dec 28, 2007Member of the board of directors · joint signature by two · Zug
until Sep 29, 2005Member of the board of directors · sole signature · Weiningen (ZH)
until Aug 3, 2004Member of the board of directors · sole signature
until Nov 13, 2003Vice-chair of the board of directors · sole signature · Risch
until Feb 20, 2004Vice-chair of the board of directors · sole signature
until Nov 12, 2003