Stefan Koller

citizen of Meierskappel, Steinhausen

Commercial register

Chair of the board of directors · sole signature · Zug

since Jun 30, 2026

Member of the board of directors · sole signature · Zug

since May 27, 2026

joint procuration by two · Hergiswil (NW)

since Aug 30, 2024

Managing director · sole signature · Zug

since Apr 6, 2021

Member of the board of directors · sole signature · Risch

since Oct 26, 2018

Member of the board of directors · sole signature · Zug

since Oct 17, 2017

Member of the board of directors · sole signature · Zug

since Apr 28, 2016

Member of the board of directors · sole signature · Zug

since Mar 25, 2014

Member of the board of directors · sole signature · Zug

since Nov 14, 2013

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

since Feb 20, 2013

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

since Oct 1, 2010

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

since Sep 30, 2010

Managing director · sole signature · Zug

since Mar 8, 2010

Member of the board of directors · sole signature · Zug

since Jun 20, 2007

Member of the board of directors · sole signature · Zug

since Jan 8, 1998

Vice-chair of the board of directors · joint signature by two · Baar

since Jan 8, 1997

Member of the board of directors · sole signature · Zug

Chair of the board of directors · sole signature

until May 19, 2020

Member of the board of directors · sole signature

until Mar 23, 2015

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

Member of the board of directors · joint signature by two

until Dec 14, 2021

Liquidator · sole signature · Zug

Managing director · sole signature

until Jul 25, 2025

Member of the board of directors · sole signature · Zug

until Jan 20, 2025

Member of the board of directors · sole signature · Rüschlikon

until Oct 25, 2024

Member of the board of directors · sole signature · Zug

until Jul 30, 2024

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

until Apr 8, 2019

Member of the board of directors · sole signature

until Mar 12, 2019

Member of the committee · joint signature by two · Zug

until Mar 8, 2019

Member of the board of directors · sole signature · Zug

until Jun 21, 2017

Chair of the board of directors · sole signature · Zug

until Mar 2, 2016

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

until Sep 6, 2013

Member of the board of directors · sole signature · Zug

until Dec 13, 2010

Vice-chair of the board of directors · joint signature by two · Baar

until Feb 16, 2010

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

until Mar 17, 2008

Partner · no signing authority · Zug

until Oct 4, 2006

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

until Apr 5, 2006

Member of the board of directors · sole signature · Zug

until Sep 12, 2003

sole procuration · Zürich

until Aug 29, 2000

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

until Jul 24, 1996