Jean-Claude Klonis

citizen of Genève, Vandoeuvres

Commercial register

Goldeneye Holding SA

Member of the board of directors · sole signature · Genève

since Sep 19, 2025
Gowen Family Office SA

Member of the board of directors · sole signature · Genève

Chair of the board of directors · sole signature

until Aug 27, 2024
Vanguard SA

Member of the board of directors · sole signature · Genève

Chair of the board of directors · sole signature

until May 30, 2023
Sigma Capital AG in Liquidation

Member of the board of directors · sole signature · Luzern

until Apr 13, 2018

Member of the board of directors · joint signature by two

until Jul 28, 2015