Bruno Martin Koster
citizen of Appenzell, Appenzell (Schwende-Rüte)
Commercial register
joint signature by two · Appenzell
since Jun 30, 2025Chair of the board of directors · sole signature · Appenzell
since Nov 29, 2024joint signature by two · Appenzell
since May 3, 2024Member of the board of directors · sole signature · Appenzell
since Apr 12, 2024Member of the board of directors · joint signature by two · Herisau
since Mar 22, 2024Member of the board of directors · sole signature · St. Gallen
Member of the board of directors · sole signature
until Mar 15, 2024Member of the board of directors · sole signature
until May 6, 2022Chair of the board of directors · sole signature · St. Gallen
Member of the board of directors · sole signature · Zürich
until Dec 6, 2023Managing director · sole signature · Appenzell
until Jul 21, 2023