Marianne Laigneau is currently Chairman of the Management Board of Enedis.

She was previously Senior Executive Vice President Group in charge of the International Division of EDF, member of the Executive Committee, from July 2017 to February 2020, Group Senior Executive Vice President Group in charge of Human Resources from December 2010 to July 2017 and Managing Director to the Human Resources from January 2010 to November 2010. She was also 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.