Stefan Winterberg
citizen of Zürich, Bichelsee (Bichelsee-Balterswil)
Commercial register
Member of the board of directors · sole signature · Bichelsee-Balterswil
since Apr 8, 2026Member of the board of directors · joint signature by two · Zuzwil (SG)
since Jun 6, 2025Chair of the board of directors · sole signature · Zuzwil (SG)
since Nov 27, 2024Chair of the board of directors · sole signature · Bichelsee-Balterswil