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Management Board

The Board is the highest authority of SIG, subject to the powers of the Grand Council and the Council of State. They commission all studies, acts and oversee all measures for the proper functioning of SIG and all necessary development forecasts required for demographic evolution and technical progress, and this on the basis of proposals from the C.E.O..

The President of the Board is nominated by the State Council for a period of four years, and can be renewed twice. The composition of the Board and the manner in which Members are appointed is determined by law.

Cliquez sur le visage d'un membre du Conseil d'administration pour plus d'informations.


Barthélémy Roch
Communes Representative

  • Economist
  • Former Mayor of Aire-la-Ville

Marc Michela
Communes Representative

  • Engineer
  • Former Mayor of Meinier

Patrick Malek-Asghar
Communes Representative

  • Lawyer
  • Administrative councillor, city of Versoix

Pierre Gautier
City of Geneva Representative

  • Consultant

Félix Dalang
City of Geneva Representative

  • Chemist
  • Member of Noé21

Eric Peytremann
City of Geneva Representative

  • Doctor of Science (astrophysics)
  • Staff Regulations' Pleas Commission President

Robert Pattaroni
City of Geneva Representative

  • Economist
  • Former Municipal Councillor, Geneva City

François Gillet
State Council Representative

  • Teacher

Antonio Hodgers
State Council Representative

  • State Councillor in charge of the DALE (Energy, Housing and Territory Planning Department)

Laurence De La Serna
State Council Representative

  • C.E.O., Jean Gallay SA
  • Geneva Industry Union (UIG) Vice-President

Michel Balestra
State Council Representative

  • SIG President
  • Director and Manager of Balestrafic
  • HUG Former President

Rémy Pagani
Administrative Council Representative

  • Geneva City Administrative Councillor, in charge of Construction and Territory Planning

Carlos Saraiva Medeiros
Grand Council Representative

  • C.E.O., Medinex SA
  • Member of the Board, Jolimont-Montana Clinics

Pierre Kunz
Grand Council Representative

  • Balexert Former C.E.O.
  • Former Deputy and Constituant

Daniel Devaud
Grand Council Representative

In replacement of Pierre Vanek, from 29 Jaunary 2016

Eric Leyvraz
Grand Council Representative

  • Deputy

René Longet
Grand Council Representative

  • SIG Vice-President
  • Former national councillor

Alexandra Rys
Grand Council Representative

  • Communication Consultant, CCIG

Hugo Zbinden
Grand Council Representative

  • Associated teacher – Geneva University

Martial Cosandier
SIG Staff Representative

  • Head of Communities Sales

Frédéric Hiller
SIG Staff Representative

  • Works manager

Yves Warpelin
SIG Staff Representative

Yves Gallay
SIG Staff Representative

  • Information systems functional lead