René Marche

citizen of France, Carouge (GE)

Commercial register

Sert, ingénieurs-conseils S.A.

Member of the board of directors · sole signature · Lausanne

since Mar 3, 2004
Geos Ingénieurs-Conseils SA

Member of the board of directors · joint signature by two · Plan-les-Ouates

until May 27, 2014

Chair of the board of directors · joint signature by two

until Dec 5, 2012

Member of the board of directors · joint signature by two

until May 1, 2006
Sogel

membre* · joint signature by two · Genève

until Dec 3, 2007