Katja Naumann

nationality: Germany, Walchwil

Commercial register

IEA International Trading AG

Member of the board of directors · sole signature · Walchwil

since Mar 23, 2010
IVM Engineering AG

Member of the board of directors · sole signature · Risch

since Mar 23, 2010
Adtech Advanced Technologies AG

Chair of the board of directors · sole signature · Risch

Member of the board of directors · sole signature

until Feb 11, 2020

Member of the board of directors · joint signature by two

until Apr 25, 2019

Member of the board of directors · joint signature by two

until Jan 30, 2013

Member of the board of directors · sole signature

until Jan 16, 2009
Stiftung Internationale Kooperations-Unterstützung IKU

Chair of the foundation board · sole signature · Walchwil

Member of the foundation board · joint signature by two

until Jan 13, 2020

Member of the foundation board · joint signature by two

until Feb 10, 2015