René Lars Grünenfelder

citizen of Oberriet (SG), St. Gallen

Commercial register

GK Grünenfelder International AG

Chair of the board of directors · sole signature · Oberriet (SG)

since Apr 29, 2026
Familienholding Marcel Grünenfelder AG

Member of the board of directors · joint signature by two · Oberriet (SG)

since Oct 19, 2020
GK Grünenfelder Group AG

Member of the board of directors · joint signature by two · Oberriet (SG)

since Jul 5, 2019