Ingo Siefermann

nationality: Germany, Koblenz

Commercial register

Member of the board of directors · Managing director · joint signature by two · Suhr

since Dec 18, 2025

Managing director · joint signature by two · Suhr

since Dec 18, 2025

Member of the board of directors · Managing director · joint signature by two · Suhr

since Dec 18, 2025

Member of the board of directors · Managing director · joint signature by two · Suhr

since Dec 18, 2025

Member of the board of directors · no signing authority · Aarau

since Aug 14, 2025

Member of the committee · Yverdon-les-Bains

until Nov 28, 2025

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

until Oct 27, 2025

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

until Sep 4, 2025

joint signature by two · Zofingen

until Sep 1, 2020

joint signature by two · Zofingen

until Sep 1, 2020

joint signature by two · Zofingen

until Sep 1, 2020

joint signature by two · Zofingen

until Sep 1, 2020

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

until Nov 18, 2019

joint procuration by two

until May 11, 2012

joint procuration by two · Obersiggenthal

until Jan 15, 2010

Managing director · joint signature by two · Böttstein

until Dec 23, 2009