Organization of tpg

Governance of tpg is ensured by the Board of Directors and the Management Board.

The Board of Directors

The Board of Directors determines the company's strategy, draws up and negotiates the service contract with the State, appoints the directors, and validates the social and budgetary guidelines. Its president acts as a liaison between business and political spheres. The Board is composed of sixteen political representatives, three staff representatives, and one representative of the Cantonal Council in an advisory capacity.

Composition of the Board of Directors 
appointed for the period from 12.01.2018 to 11.30.2023


Members appointed by the Cantonal Council
Anne Hornung-Soukup President; Director since July 01, 2016
Silvio Bartolini

Chairman of the Audit & Finance Committee and member of the Bureau of the Board of Directors; director since September 02, 2017

Denis Grobet Chairman of the Strategic Committee and member of the Bureau of the Board of Directors; Director since June 2014
Claudia Grassi Director since April 2015
Maja Lüscher Director since December 2008
Guy Schrenzel Director since December 2018 (advisory capacity)
Philippe Serrano Director since December 2018
Representative of the French border region
Antoine Vielliard Director since July 2014
Members appointed by the Grand Council 
Céline Amaudruz Vice-Chairwoman of the Board, Chairwoman of the Human Resources and Compensation Committee, and member of the Bureau of the Board of Directors; Director since October 2012

Philippe Calame

Director since October 29, 2020
Javier Garcia Director since December 01, 2018
Oscar F. Gonzalez Garcia Director since June 2014
Philippe Meyer Chairman of the Network and Infrastructure Commission and member of the Bureau of the Board of Directors; Director since March 2009
Anne Penet Director since June 2014
Thibault Schneeberger Director since December 01, 2018
Member appointed by the Municipal Council of the City of Geneva
Sandrine Salerno Director since December 2018
Member appointed by the Association of Geneva Municipalities
Gilles Marti Director since December 2018
Members appointed by tpg staff
Robert Badoud Director since December 2018
Frank Cordier Director since December 2018
Joao Faustino Director since December 2018


les membres du conseil d'administration
From left to right: Javier Garcia, Sandrine Salerno, Philippe Calame, Claudia Grassi, Philippe Meyer, Denis Grobet, Anne Hornung-Soukup (president), Céline Amaudruz (vice-president), Robert Badoud, Philippe Serrano, Thibault Schneeberger, Joao Faustino, Anne Penet, Silvio Bartolini, Maja Lüscher, Gilles Marti, Franck Cordier, Antoine Vielliard, Francisco Gonzalez and Guy Schrenzel.

The Management Board

tpg is organized into general management and seven areas of activity, each led by a director.

General Management

General management of tpg is led by Denis Berdoz. General Management’s mission is to carry out the strategic visions of the Board of Directors and the challenges posed by the service contract, while taking into account the company's own rhythm and the possibilities of each area of activity.

Area of activity management

The general manager is supported in his/her mission by the directors of the company's areas of activity. Within their area of expertise, they are responsible for developing and implementing daily processes that ensure that the service contract’s objectives as well the company's commitments are achieved, all the while sustaining levels of quality of service.

The directors of the areas of activity are:

  • Operations: Marc Châtelain
  • Finance and management: Sophie Heurtault Malherbe
  • Infrastructure and buildings: Pascal Ganty
  • Marketing, sales, and communication: Marc Defalque
  • Human resources: Denis Berdoz a.i.
  • Computer systems and telecommunications: Guillaume Meyer
  • Technique: Thierry Wagenknecht
Collège de direction tpg
From left tp right: Marc Châtelain, Sophie Heurtault Malherbe, Marc Defalque, Thierry Wagenknecht, Guillaume Meyer, Pascal Ganty and Denis Berdoz



More information about our company

Learn more about tpg, a major player in mobility