Sébastien Clerc has specialised in the infrastructure sector, and renewable energies in particular, for over 25 years. He also has proven expertise in change management and in company creation and development. Following 10 years in project financing at Crédit Lyonnais in Canada, then in New York, he returned to France in 1999 to join Ixis, then a subsidiary of Caisse des Dépôts, where he created and developed three activities: project financing consulting; management of infrastructure investment funds; and project financing. In 2007 he actively participated in the merger of Ixis and Natexis, notably by managing the fusion of the two banks' project financing teams in France and abroad. Sébastien Clerc was President of Natixis Environnement & Infrastructures (formerly IXIS Environnement & Infrastructures) from 2000 to 2011. From September 2009, he also managed Natixis Alternative Assets. He is a graduate of IEP Paris and the University of Paris X.

Laurence Mulliez holds an Economics & Finance degree from ESC Rouen and an MBA from the University of Chicago Booth (USA), majoring in finance and strategy. Her professional career began at BNP Paribas and, after her MBA, she was briefly with M&M Mars in Chicago (USA) and subsequently held various executive management roles over 16 years with Amoco and BP in the USA, Switzerland and the UK. Her areas of expertise include strategy and M&A, but especially in employee management and enhancing financial performance as a Chief Executive Officer in chemicals, gas, electricity, renewable energies and industrial lubricants. Her last role at BP was Global Chief Executive Officer for Castrol industrial lubricants. From January 2010 to November 2013 she was Chief Executive Officer of Eoxis, an independent electricity producer owned by Platina Partners and active in the renewable energies sector (wind and solar) in Spain, Italy and India. Since 2011, she has been a director at several listed companies operating in the industrial and/or energy sectors. Laurence Mulliez was elected Chairwoman of the Voltalia Board of Directors on 5 May 2014. She was re-appointed on 11 June 2015, 24 May 2018 and again on 19 May 2021.