Gérard Mestrallet

Gérard Mestrallet

Chairman & Chief Executive Officer

Born April 1, 1949.

Education

  • Graduate of the École Polytechnique
  • Graduate of the École Nationale d’Administration

Professional career

  • 2001-2008: Chairman and Chief Executive Officer of SUEZ
  • 1997-2001: Chairman of the Executive Board of SUEZ Lyonnaise des Eaux
  • 1995-1997: Chairman and Chief Executive Officer of Compagnie de Suez
  • 1991-1995: Executive Director and Chairman of the Management Committee of Société Générale de Belgique
  • 1986-1991: Senior Executive Vice-President in charge of industrial affairs of SUEZ
  • 1984-1986: Special Advisor at Compagnie financière de SUEZ

Principal other memberships and offices held

  • Chairman of the Board of Directors of SUEZ Environnement Company, ENGIE Corporate Foundation (France)**, Electrabel** (Belgium), Director of Société Générale* (France) and International Power Ltd** (United Kingdom)
  • Chairman of Paris EUROPLACE association (France)
  • Member of the Supervisory Board of Siemens AG* (Germany)
  • Chairman of the “FACE” (Fondation Agir Contre l’Exclusion) foundation
  • Member of the International Council of Shanghai Mayors, Beijing, Chongqing

* Listed company
** ENGIE Group

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Isabelle Kocher

Isabelle Kocher

Deputy CEO and Chief Operating Officer

Born December 9, 1966.

Education

  • Graduate of the Ecole Normale Supérieure, she holds a Postgraduate Certificate in Physics
  • Graduate of the Corps des Mines Engineering School

Professional career

  • 2011-2014: Executive Vice-President and Chief Financial Officer of GDF SUEZ
  • 2007: Chief Operating Officer of Lyonnaise des Eaux (subsidiary of Suez Environnement) before becoming Managing Director of Lyonnaise des Eaux, as well as Executive Vice President in charge of the development of water activities in Europe within Suez Environnement
  • 2005: Senior Vice President in charge of Performance and Organization programs of SUEZ
  • 2002: Strategic and development department of SUEZ
  • 1999: Industrial Affairs Advisor to the Prime Minister of France
  • 1997-1999: Manager of the postal and telecommunication budgets, followed by the defense budget at the French Budget Department
  • 1992-1993: Mergers and acquisitions Department of the Compagnie Financière de Rothschild before becoming Director of the industrial inspection department at the Ile-de-France regional department of industry, research and environment division
  • 1991-1997: Project Manager for the reorganisation of production workshops within the Société Européenne de Propulsion

Other memberships and offices held

  • Vice President of Electrabel (Belgique)**
  • Director of ENGIE, SUEZ Environnement Company, ENGIE Corporate Foundation (France)** and International Power (United Kingdom)
  • Director AXA Group*

* Listed Company
** ENGIE Group

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Valérie Bernis

Valérie Bernis

Executive Vice-President in charge of Communications, Marketing and Environmental and Societal Responsability

Born on December 9, 1958.  

Education

  • Graduate of Economics (Limoges) and of the Institut Supérieur de Gestion (Paris)

Professional career

  • 2008-2011: Member of the Executive Committee of GDF SUEZ, in charge of Communication Management, Financial Communication and Institutional Relations
  • 2001: Executive Vice-President of SUEZ, in charge of Communications and Sustainable Development and member of the Executive Committee
  • 1999-2004: Chief Executive Officer of cable channel Paris Première
  • 1997: Senior Vice-President for Financial and Corporate Communications and Special Advisor to the President of Suez Lynonnaise des Eaux
  • 1995: Communications Director at Compagnie de Suez
  • 1993: Press and Communications Officer for Paris Representative Edouard Balladur
  • 1991: Communication Officer of Edouard Balladur, member of French Parliament Paris
  • 1988: Communications Director at Cerus
  • 1986: Member of the office of the French Ministry of Economics, Finance and Privatization

Other memberships and offices held

  • Director of ATOS (France), Occitane International SA, SUEZ Environment Company (France)** and GDF SUEZ New Ventures SA (France)**
  • Director of Euro Disney (France)
  • Chairman of GDF SUEZ Rassembleurs d’Energies (France)**
  • Vice-President of ENGIE Corporate Foundation (France)**

** ENGIE Group

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Pierre Chareyre

Pierre Chareyre

Executive Vice-President

Born on December 8, 1956.  

Education

  • Université Paris II Panthéon Assas and Paris I Panthéon Sorbonne
  • Graduate of the Institut d’Etudes Politiques (IEP) Paris, Master of Advanced Study degree in public law, and CAPA-certificated to practice as a barrister in France

Professional career

  • 2015: Executive Vice-President in charge of the Global Gas & LNG business line
  • 2012-2015 : Deputy Chief Financial Officer of GDF SUEZ
  • 2010: CEO of GDF SUEZ Trading
  • 2008: GDF SUEZ Corporate Vice-President in charge of investments and acquisitions
  • 2005: Executive Committee Member and Vice-President Administration and Finance of Suez Energy International
  • 2001: Financial Transaction and Finance Director of Suez Environnement** and International Finance Director of Ondéo
  • 1997: Chief Financial Officer of Rexel
  • 1993: Executive Director and Chairman of the Management Committee of SOGEM
  • 1989: Chief Financial Officer of SOGEM
  • 1988: Private Secretary to the Head of Société Générale in Belgium
  • 1982: Pupil barrister in London
  • 1979: Pupil barrister at the Court of Appeal in Paris

Other memberships and offices held

  • Chairman and Director of GDF SUEZ Trading SAS, ENGIE Corporate Foundation (France)** and ENGIE CC** (Belgium)
  • Director of GDF SUEZ E&P International SA (France)**

** ENGIE Group

 

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Henri Ducré

Henri Ducré

Executive Vice-President, in charge of Group Human Resources

Born on April 14, 1956.   

Education

  • Graduate of the Ecole Nationale Supérieure des Arts et Métiers

Professional career

  • 2012-2013: President in charge of the Energy France Branch
  • 2008: Member of the Executive Committee of GDF SUEZ in charge of the Gaz de France Energy France Branch
  • 2007: Director of the Gaz de France Energy France Branch
  • 2004: Director of EDF Gaz de France Distribution
  • 2002: Director of Distribution and Sales of EDF’s Americas Division
  • 2001: General Manager of Edenor (an EDF subsidiary in Argentina)
  • 1979: Integrated Gaz de France

Other memberships and offices held

  • President of GDF SUEZ IT** (France) and ENGIE Management Company Belgium** (Belgium)
  • Director of GDF SUEZ University, GDF SUEZ Company Foundation, ENGIE Corporate Foundation(France) and GDF SUEZ Energy España (Spain)**
  • Manager of ENGIE Management Company SNC (France)**

** ENGIE Group

 

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Judith Hartmann

Judith Hartmann

Executive Vice-President, Chief Financial Officer

Born on June 15, 1969.   

Education

  • Masters degree in International Business Administration
  • Ph.D. in Economics from the WU Vienna University of Business Administration & Economics

Professional career

  • 2012-2015: Chief Financial Officer and member of the Executive Board of the Bertelsmann group (Germany)
  • 2011: Chief Financial Officer of GE Germany
  • 2009: Chief Financial Officer of GE Brazil then Chief Executive Officer of GE Healthcare Latin America
  • 2007: Chief Financial Officer of GE Water Europe in Belgium, the Middle East & Africa (GE Energy)
  • 2004: Chief Financial Officer for a subsidiary of GE Healthcare
  • 2000: various positions: first in France in the financial department of GE Healthcare Europe, then at the headquarters of GE Healthcare in the United States
  • 1997: Finance Department of Walt Disney Europe in France
  • 1993: Transport Department of the Canadian government in Canada

Other memberships and offices held

  • Director of ENGIE Corporate Foundation (France)**
  • Non-executive Director of RTL Group (Luxembourg)*
  • Director of Penguin Random Houxe LLC (USA) and of Gruner & Jahr AG & Co KG (Germany)

* Listed Company
** ENGIE Group

 

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Didier Holleaux

Didier Holleaux

Executive Vice-President

Born on August 4, 1960.

Education

  • Graduate of the Corps des Mines (Ecole nationale supérieure des mines de Paris)

Professional career

  • 2010 – 2015 : Executive Vice-President of the GDF SUEZ Global Gas & LNG business line
  • 2007-2015: Chief Executive Officer of GDF SUEZ E&P International
  • 2004:Vice-President of LNG business at GDF
  • 2002: Vice-President of EDF-GDF Services
  • 2000: Deputy Vice-President of the GDF Transmission Division
  • 1997: Founder and Head of GDF Britain based in London, and Head of Development for the Transmission Division
  • 1993: Deputy Vice-President and later Vice-President of regional LNG transmission and storage units for GDF
  • 1992-1993: Technical consultant at Hubert Curien and Private Secretary to André Billardon
  • 1989-1990: Head of Research and Trade Barriers in the General Secretariat of the Interministerial Committee on issues of European economic cooperation
  • 1988: report of the 10th Plan State Efficiency committee
  • 1985-1988: Head of the Industrial and Underground Development in the Regional Industry and Research Department, and task force director in the Pays-de-Loire Regional Prefecture
  • 1983-1984: Engineer at Total (French multinational integrated oil and gas company)
  • 1982: Production engineer at the Citroën production plant in Rennes

Other memberships and offices held

  • Director of GDF SUEZ E&P Australia Pty Ltd (Australia), GDF SUEZ E&P Norge AS (Norway), GDF SUEZ E&P UK Ltd (UK), GDF SUEZ New Business SAS (France) and GDF SUEZ International (France)**
  • Director of the ENGIE Corporate Foundation (France)**
  • Chairman of GDF SUEZ E&P Deutschland GmbH (Germany)**
  • CEO of GDF SUEZ E&P International (France) and GDF SUEZ E&P Nederland B.V (Netherlands)**
  • Member of GDF SUEZ E&P Holding Nederland B.V and Noordgastransport BV (N.G.T) (Netherlands)**

** ENGIE Group

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Sandra Lagumina

Sandra Lagumina

Executive Vice-President

Born on July 29, 1967.

Education

  • Master’s degree in Ecole Nationale d’Administration (ENA)
  • Master’s degree in Instit d’études politiques de Paris (Sciences Politiques)
  • Holds a DESS post-graduate degree on Common Market Law and Public Law

Professional career

  • 2013-2015: CEO of GRDF
  • 2008: Corporate General Counsel at GDF SUEZ
  • 2007: General Counsel
  • 2005: Deputy Vice President of the Strategy Division, in charge of Public Affairs at Gaz de France
  • 2000: joined the Cabinet of the Ministry of the Economy, Finance and Industry
  • 1998: Technical and Legal Advisor to the President of the National Assembly
  • 1995: Auditor and then privy counselor at the State Council

Other memberships and offices held

  • Director of Storengy, GTT, GDF SUEZ IT and ENGIE Corporate Foundation (France)**

** ENGIE Group

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Pierre Mongin

Pierre Mongin

Executive Vice-President, General Secretary

Born on August 9, 1954.

Education

  • Master’s degree in Economics from the University of Paris I, Graduated of the Institut d’Études Politiques in Paris and of the École Nationale de l’Administration (ENA-Voltaire class)

Professional career

  • 2006-2015: Chairman and CEO of RATP
  • 2004: Chief of Staff to the Minister of the Interior in 2004, then Chief of Staff to Prime Minister Dominique de Villepin
  • 1995: Prefect of Eure-et-Loir and Prefect of Vaucluse, then Prefect of the Auvergne and Prefect of Puy de Dôme regions
  • 1993: Chief of Staff to Prime Minister Edouard Balladur and Advisor to the French Overseas Departments and Territories. Prefect in April 1993
  • 1988: Préfecture de Police (Police Headquarters) in Paris, in charge of administrative and financial affairs and relations with the Council of Paris
  • 1984: Technical Advisor to the National Police Force at the Ministry of the Interior, then Advisor to the Minister of the Interior for Local Authorities, and then Chief of Staff to the Deputy Minister for Local Authorities.
  • 1980: Served three terms as Assistant Prefect in the territorial departments of Ain, Ariège and Yvelines

Other memberships and offices held

  • Director of ENGIE Energy Services, ENGIE Corporate Foundation (France)** and Electrabel (Belgium)**
  • Director of CMA-CGM
  • Member of the Steering Committee of Domaine de Chambord

** ENGIE Group

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Jérôme Tolot

Jérôme Tolot 

Executive Vice-President

Born on January 4, 1952.

Education

  • Graduate of INSEAD and Institut d’Etudes Politiques de Paris
  • Holds a DESS in Economics

Professional career

  • 2015: Executive Vice-President in charge of the Energy Europe and Energy Services business lines
  • 2011-2015: Member of the Management Committee in charge of Energie Services business line
  • 2008: Member of the Executive Committee GDF SUEZ, in charge of the Energie Services branch
  • 2005: Executive Vice-President of SUEZ Energy Services
  • 2002: Executive Vice-President of SUEZ and member of the Executive Committee
  • 1982: joins Lyonnaise des Eaux after working as a consultant with McKinsey. Serves successively as Senior Vice President of Degrémont, Senior Executive Vice President of GTM Group, then Vinci. Chairman and CEO of SITA

Other memberships and offices held

  • Director of Société Monégasque d’Electricité et de Gaz (SMEG), ENGIE Energy Services International and Cofely Fabricom (Belgium)**
  • Director of SUEZ ENVIRONNEMENT Company, ENGY Energy Services, GDF SUEZ New Ventures, Cofely Ineo, GDF SUEZ University, ENGIE Corporate Foundation (France), Tractebel Engineering (Belgium), Cofely España (Espagne) and Cofely Italia SPA (Italie)**

** ENGIE Group

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Willem van Twembeke

Willem van Twembeke

Executive Vice-President

Born in 1965.

Education

  • Master of Business Administration, 1994, Catholic University of Leuven (Belgium)
  • Postgraduate in Corporate Management, 1992, Catholic University of Leuven (Belgium)
  • Master in Engineering, major Nuclear Science, 1990, the Rensselaer Polytechnic Institute, New York (U.S.A)
  • Master of Science in Electromechanical Engineering, major Electrical Power, 1988, Catholic University of Leuven (Belgium)

Professional career

  • 2013: Executive Vice-President in charge of the Energy International business line
  • 2011-2013: President & CEO of GDF SUEZ Energy Asia
  • 2010-2011: COO of GDF SUEZ Energy Latin America
  • 2006-2010: Deputy General Manager Trading and Portfolio Management, Electrabel (Belgium)
  • 2004-2006: CEO SUEZ of Energy Peru and EnerSur (Peru)
  • 2004-2005: CEO of Gas Natural de Lima y Callao (Peru)
  • 2001-2004: Chief Executive Officer of Electroandina S.A. (Chile)
  • 2000-2001: Commercial director of EnerSur (Peru)
  • 1997-2000: Site manager of the Nehuenco power plant and Site manager /Operations manager of the Tocopilla power plant (Chile)
  • 1991-1997: Tractebel Energy Engineering (Belgium)

Other memberships and offices held

  • Chief Executive Officer of International Power Ltd (United-Kingdom)**
  • Director of ENGIE Corporate Foundation (France)**, Electrabel, Tractebel Engineering (Belgium)** and Tractebel Energia SA (Brazil)**

** ENGIE Group

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