Martina Sigg
citizen of Dörflingen, Schinznach
Commercial register
Vice-chair of the committee · joint signature by two · Brugg
since Dec 23, 2025Member of the board of directors · joint signature by two · Schinznach
since May 3, 2022Member of the foundation board · joint signature by two · Aarau
since Apr 8, 2019Member of the board of directors · joint signature by two · Brugg
Member of the board of directors · no signing authority
until Aug 26, 2019Member of the board of directors · sole signature · Schinznach
until Sep 7, 2023Partner · sole signature
until Jun 30, 2016Member of the foundation board · no signing authority · Gontenschwil
until Jul 18, 2023Chair of the board of directors · joint signature by two · Holderbank (AG)
until Jul 14, 2023