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.
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Christian Brunier
General manager -
Vincent Collignon
Executive Director - Customer Relations -
Gilles Garazi
Executive Director - Energy Transition -
Céline Gauderlot
Executive Director - Finance -
Véronique Athané Ryser
Executive Director - Distribution Network Management -
Robert Monin
HR Director -
Clara Millard Dereudre
Director Smart City -
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.
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Michel Balestra
Representative of the State Council - President of SIGDirector and General Manager of Balestrafic
Former President of HUG -
Aline Isoz
State Council Representative -
Béatrice Stückelberg-Vijverberg
State Council RepresentativeWithout voting rights
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Sylvia Leueunberger
State Council Representative -
Alberto Aliprandi
State Council Representative -
Philippe Rapillard
SIG-Staff representative -
Jérome Cusin-Rollet
SIG-Staff representative -
Yves Warpelin
SIG-Staff representativeProjector designer
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Daniel Sannicolo
SIG-Staff representative -
Nicolas Aune
Representative of the City of Geneva -
Robert Pattaroni
Representative of the City of GenevaEconomist
Former City Councillor of the City of Geneva -
Marie-Pierre Theubet
Representative of the City of Geneva -
Thierry Tanquerel
Representative of the City of Geneva -
Hugo Zbinden
Representative of the Grand CouncilAssociate Professor UNIGE
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Pierre Kunz
Representative of the Grand CouncilFormer Director of Balexert
Former Member and Constituent -
Denis Wicht
Representative of the Grand Council -
Julie Udry
Representative of the Grand Council -
Sara Ciraudo
State Council Representative -
René Longet
Representative of the Grand CouncilFormer National Councillor
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Sami Kanaan
Representative of the City of GenevaMayor of Geneva
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Daniel Devaud
Representative of the Grand Council -
Christophe Senglet
Representative of the Municipalities -
Ricardo Muñoz
Representative of the Municipalities -
Maryam Yunus Ebener
Representative of the Municipalities