About Us


Thierry Mallet

Chairman & CEO, Transdev Group

Graduated from Ecole Polytechnique (1980), Ecole Nationale des Ponts et Chaussées (1985) and a Master of Science degree in Transportation from the Massachussetts Institute of Technology (1985).

He began his career in 1987 at the regional management of the French Ministry of Transport, heading up the department in charge of Motorway Management. In 1990, he joined Vivendi Paris Region (Générale des Eaux Group) as Vice President for the Southern Region and was subsequently appointed Chargé de Mission working alongside the COO of Générale des Eaux Group from 1991 to 1992.

From 1993 to 1994, he acted as “Chargé de Mission” alongside the Financial Director of SARI / SEERI (Générale des Eaux Group) and in 1995 was appointed Managing Director of Grupo General de Aguas (Générale des Eaux Group – Spain). He then became Chairman & Chief Executive Officer of Aqua Alliance Inc. (Générale des Eaux – Vivendi Water USA) from 1997 to 1999.   In 2000 he was appointed Executive Vice President of Vivendi Water Systems in charge of Europe.

He left the Générale des Eaux – Vivendi Environnement – Veolia Group in 2003 and joined Degremont (Suez Group) as COO and as CEO (from 2004). He was appointed Executive Vice President in charge of International Operations and Member of the Executive Board of the Suez Group in 2010.

From April 2013 to August 2016, he was Executive Vice President in charge of Innovation, Business Performance and Marketing for the Suez Group. Thierry Mallet is Chairman and Chief Executive Officer of Transdev group since September 2016.