Mario Sieber
citizen of Widnau, Zuzwil SG
Commercial register
Chair of the executive board · sole signature · Zuzwil (SG)
since Aug 10, 2026Member of the board of directors · sole signature · Zuzwil (SG)
since Feb 22, 1999Member of the board of directors · sole signature · Dietikon
Chair of the board of directors · sole signature
until Aug 10, 2026