EDF - Executive Management

Marianne Laigneau,
Group Senior Executive Vice President,
Human Resources

Marianne Laigneau was appointed Senior Executive Vice President Group Human Resources, member of the Executive Committee, in December 2010. EDF’s Human Resources Division defines and oversees the Group’s human resources strategies (skills development, employee commitment, diversity, identification and development of potential, CSR) and manages HR projects at Group level.

She was Corporate Secretary and Senior Executive Vice President from June 2007 to December 2009, having been General Counsel from joining the EDF Group in January 2005.

Before coming to EDF, she was Head of Institutional Affairs at Gaz de France, where she was subsequently appointed Deputy Head, Information and Public Affairs, in September 2004.

Between 1995 and 1997, she held various positions within the French Administration (Legal Adviser for the Ministry for cooperation, member of electoral missions in Mozambique for the UN and in Gaza for the EU).

Between 1997 and 2000, she was posted to the Ministry of Foreign Affairs and appointed First Counsellor at the French Embassy in Tunis, where she oversaw communications, negotiations and political, community and legal affairs.

A graduate of the Ecole Normale Supérieure de Sèvres, the Ecole Nationale d’Administration and the Institut d’Etudes Politiques de Paris, she also holds an aggregation in Classics and a Masters Degree in French Literature. After graduating from the Ecole Nationale d’Administration, Marianne Laigneau joined the Council of State where she became Counsellor in 1995.

She was awarded Chevalier de l’Ordre national du Mérite in 2006 and Chevalier de la Légion d’honneur in 2010.

Pierre Lederer,
Group Senior Executive Vice President,
Customers, Optimisation and Trading

Supervises the Continental Europe zone (Germany, Austria, Belgium, the Netherlands, Luxembourg, Switzerland, Central and Eastern European countries).

A graduate of Physical Science and Mathematics.

Pierre Lederer joined EDF in 1974, where he has occupied a variety of posts in the General Economic Studies Department, the Energy Transmission Department and the Thermal Generation Department.

He was appointed Head of the General Economic Studies Department in 1992, Senior Vice President, Corporate Strategy, in 1996, then Director of “Strategy-Promotion-Optimisation” at the Group’s Industry Unit in 1999.
He joined the Executive Management Board of EnBW, the third-ranking German energy specialist 45% owned by EDF, and became Vice President of the Management Board in 2007.

As Chief Operating Officer, he was instrumental in developing sales processes for the opening up of energy markets. He also implemented the optimisation of the value chain and the management of market risks as well as launching the replacement of all the company's generation plants.

In February 2009, Pierre Lederer was appointed Senior Executive Vice President of EDF S.A., in charge of Customers. He is keen to redefine the strategic objectives of the Customers Division: satisfy the customer, position energy efficiency at the heart of the business, support customers in reducing CO2 emissions and develop energy teleservices.

Jean-Louis Mathias,
Group Senior Executive Vice President,
Activities Coordination in France

He is also responsible for renewable energy sources systems and gas systems

A graduate of the “Ecole Polytechnique” technical school, of ENSAE (the National College for Statistics and Administration), of the “Centre de Perfectionnement aux Affaires” (Centre for Advanced Business Studies) and holds a degree in Sociology.

Jean-Louis Mathias has been Executive Vice President of the EDF Group since December 2009, responsible for the coordination of activity in France.

He is a member of the Dalkia supervisory board, Chairman of the Board of Directors for Électricité de Strasbourg and EDF Energies Nouvelles, and a Director of EDISON.

He joined EDF in September 2004 as Chief Operating Officer, following a period from June 2002 when he held the post of Senior Executive Vice President of the Gaz de France Group.

Thomas Piquemal,
Group Senior Executive Vice President,
Finance

Supervises the United States zone.

A graduate of the "Ecole Supérieure des Sciences Economiques et Commerciales" (ESSEC – College for Economics and Business).

Thomas Piquemal started his career in 1991 with audit firm Arthur Andersen.

In 1995, he joined the Mergers and Acquisitions Department of the bank Lazard Frères. In this context, he was involved in the major financial and strategic transactions of Veolia, in particular the company's capital restructuring and the EDF/Dalkia partnership.

In 2008, he took over responsibility in London for the strategic partnership signed between Lazard and the American investment fund Apollo.

In January 2009, Thomas Piquemal joined Veolia Environnement as Senior Executive Vice President in charge of Finance and joined the Group’s Executive Committee. In this post he devoted his efforts to debt reduction, in particular through an asset disposal programme. In addition, in conjunction with the Caisse des Dépôts (French bank for official deposits) he managed the merger of their respective subsidiary companies, Transdev and Veolia Transport, to create a world leader in collective passenger transport and sustainable mobility.

In 2008, together with three-time world boxing champion Christophe Tiozzo, Thomas Piquemal founded the “Académie Christophe Tiozzo”, whose mission is to promote the social and professional integration of young people from deprived areas.

Vincent de Rivaz,
Chief Executive of EDF Energy

Supervises the United Kingdom zone.

Vincent de Rivaz is a graduate of the Ecole Nationale Supérieure d’Hydraulique de Grenoble.

In 1977, he joined EDF’s Exterior Engineering Centre within the International Affairs Division. From 1985 to 1992, he participated in EDF’s development in China within the International Division, of which he became Director of the Far East Division in 1989. From 1992 to 1994, he was the Head of the National Center of Hydro Equipment within the Equipment Division. He was appointed Deputy Head of the International Division in 1995 and became Head of Projects in 1996. He joined the Finance Department in 1999 as Deputy Chief Financial Officer and became Head of Financial Strategies and Operations in 2000. He was appointed Chief Executive Officer of the London Electricity Group in early 2002. He led the merger transactions of companies acquired during the first six months of 2002 (Eastern and Seeboard networks) and created in mid-2003 EDF Energy and has since been its Chief Executive Officer.

Mr de Rivaz was awarded The Energy Institute’s 71st Melchett Award in June 2006. He was named National Ambassador by HRH the Prince of Wales, in July 2009, for his significant contribution to the Prince’s Business in the Community projects. In November 2009 Mr de Rivaz became an Honorary Fellow of the Institute of Mechanical Engineers as recognition for the major contribution he has made to engineering. He is Chevalier de la Légion d'Honneur.

Alain Tchernonog,
General Secretary

PhD in Law and a graduate of the ”Institut d’Administration d’Entreprises” (Business Administration Institute).

Alain Tchernonog started his career in 1972 as a lawyer specialising in International Law at the “Centre National d’Etudes Spatiales” (National Centre for Space Studies) before becoming head of the Legal Department of the ANVAR (State Technology Transfer Agency). From 1979 to 1990, he was Director of the Contracts Department at Roussel-UCLAF.

From 1990, he held the post of General Counsel within the Pierre Fabre Group (1990-1995), then at the Compagnie Générale d’Entreprises Automobiles (1995-2000).

In 1991, he joined the Veolia Environnement Group as General Counsel then as Corporate Secretary in March 2007.

In December 2009, Alain Tchernonog was appointed Corporate Secretary of the EDF Group.

Denis Lépée,
Secretary to the Executive Committee