Organisation

SIG is a public law institution governed by the Geneva Constitution, the Act on the Organisation of Public Law Institutions (LOIDP) and the Act on the Organisation of the Industrial Services of Geneva (LSIG).

The company is managed by the Board of Directors and the General Management.

Senior Management

Senior Management

The Senior Management is composed of the Managing, the Directors and duly appointed members. The Managing Director is appointed by the Board of Directors. He chairs over the Senior Management, which he meets as often as the company’s business requires.

 

  • Christian Brunier

    Christian Brunier
    General manager

  • Vincent Collignon

    Vincent Collignon
    Commercial director

  • Gilles Garazi

    Gilles Garazi
    Director Energy Transition

  • Céline Gauderlot

    Céline Gauderlot
    Director Finance

  • Stéphane Maret

    Stéphane Maret
    Director Distribution Network Management

  • Rober Monin

    Robert Monin
    HR Director

  • Patricia Solioz Mathys

    Patricia Solioz Mathys
    Director of Shared Services

  • Alain Zbinden

    Alain Zbinden
    Deputy General Director - Legal and Risks Director

Board of Directors

Board of Directors

SIG's Board of Directors is currently composed of twenty three members: one member of each party represented on the Cantonal Parliament, appointed by the latter, four members appointed by the Council of State, four members appointed by the City Council of the City of Geneva, a member chosen by the Administrative Council of the City of Geneva, three members appointed by the councillors of other municipalities, four members representing the staff of SIG and elected by it.
The Board of Directors meets about twenty times a year and ensures the smooth running of the company.

 

 

  •  Michel Balestra

    Michel Balestra
    Representative of the State Council - President of SIG

    Director and General Manager of Balestrafic
    Former President of HUG

  • Aline Isoz

    Aline Isoz
    State Council Representative

  • Béatrice Stückelberg-Vijverberg

    Béatrice Stückelberg-Vijverberg
    State Council Representative

    Without voting rights

  • Sylvia Leueunberger

    Sylvia Leueunberger
    State Council Representative

  • Alberto Aliprandi

    Alberto Aliprandi
    State Council Representative

  • Christine Senti

    Christine Senti
    SIG-Staff representative

    Expert in computer technology

  • Frédéric Hiller

    Frédéric Hiller
    SIG-Staff representative

    Works manager

  • Yves Warpelin

    Yves Warpelin
    SIG-Staff representative

    Projector designer

  • Daniel Sannicolo

    Daniel Sannicolo
    SIG-Staff representative

  • Nicolas Aune

    Nicolas Aune
    Representative of the City of Geneva

  • Robert Pattaroni

    Robert Pattaroni
    Representative of the City of Geneva

    Economist
    Former City Councillor of the City of Geneva

  • Pierre Gautier

    Pierre Gautier
    Representative of the City of Geneva

    Consultant

  • Thierry Tanquerel

    Thierry Tanquerel
    Representative of the City of Geneva

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  • Pierre Kunz

    Pierre Kunz
    Representative of the Grand Council

    Former Director of Balexert
    Former Member and Constituent

  • Hugo Zbinden

    Hugo Zbinden
    Representative of the Grand Council

    Associate Professor UNIGE

  • Alexandra Rys

    Alexandra Rys
    Representative of the Grand Council

    CCIG Communication Manager

  • Denis Wicht

    Denis Wicht
    Representative of the Grand Council

  • René Longet

    René Longet
    Representative of the Grand Council

    Former National Councillor

  • Roger Golay

    Roger Golay
    Representative of the Grand Council

  •  Daniel Devaud

    Daniel Devaud
    Representative of the Grand Council

  • Sami Kanaan

    Sami Kanaan
    Représentant de la Ville de Genève

    Maire de Genève

  • Patrick Malek-Asghar

    Patrick Malek-Asghar
    Representative of the Municipalities

    Lawyer
    Administrative Consultant of Versoix

  • Christophe Senglet

    Christophe Senglet
    Representative of the Municipalities

  • Ruth Banziger

    Ruth Banziger
    Representative of the Municipalities