Senior Management and Board of Directors

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

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

General manager

Vincent Collignon

Commercial director

Gilles Garazi

Director Energy Transition

Céline Gauderlot

Director Finance

Stéphane Maret

Director Distribution Network Management

Robert Monin

HR Director

Patricia Solioz Mathys

Director of Shared Services

Alain Zbinden

Deputy General Director - Legal and Risks Director

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

Representative of the State Council - President of SIG

Director and General Manager of Balestrafic
Former President of HUG

Laurence De La Serna

State Council Representative

Director of Jean Gallay SA
Vice-President of the Geneva Industrial Union

Antonio Hodgers

State Council Representative

State Councillor responsible for the Department of Planning, Housing and Energy (DALE)

François Gillet

State Council Representative

Instructor

Christine Senti

SIG-Staff representative

Expert in computer technology

Frédéric Hiller

SIG-Staff representative

Works manager

Yves Warpelin

SIG-Staff representative

Projector designer

Martial Cosandier

SIG-Staff representative

Public Sector Sales Manager

Eric Peytremann

Representative of the City of Geneva

Doctor of Science (Astrophysics)
Chairman of the Staff Regulations Appeals Board

Robert Pattaroni

Representative of the City of Geneva

Economist
Former City Councillor of the City of Geneva

Pierre Gautier

Representative of the City of Geneva

Consultant

Félix Dalang

Representative of the City of Geneva

Chemist
Member of Noé21