Find out about BRGM’s governing bodies.

Board of Directors and Programme Directors

Last update: January 2025

Catherine Lagneau
Chair and CEO

Christophe Poinssot
Deputy CEO

Jean-Marc Trouillard
Chief of Staff

Jean-Marc Mompelat
Director of Territorial Strategy and Public Service

Michaël Chelle
Director of Digital Strategy

Stéphane Roy
Director of Project Support, Production and Performance

Catherine Bonin
Director of Innovation, Business and International Activities

Philippe Freyssinet
Scientific director

Natacha Girold
Financial director

Marie Belossat
Director of Human Resources

Sandrine Lemal
Director of Technical and Administrative Services

Jean-Louis Nédellec
Director of Prevention and Mine Safety

Francis Garrido
Director of the Regional Network

Claudie Carnec
Director of Risks

Ariane Blum
Director of Water

Patrick d'Hugues
Director of Mineral Resources

Caroline Ricordel
Director of Subsurface Knowledge and Geomodelling

Frédéric Glanois
Director of Energy and Decarbonisation

Olivier Pouvesle
Director of Digital

Last update: February 2025

Understanding and modelling regional geology
Frantz Maerten

Transforming geosciences through digital technology
Michaël Chelle

Managing soil and subsurface risks
Olivier Cerdan

Protecting groundwater resources
Alain Dupuy

Ensuring a responsible supply of mineral resources
Johann Tuduri

Using the subsurface for the energy transition and decarbonisation
Francis Claret

Board of Governors and Committees

Last update: January 2025

Chair of the Board of Governors

Catherine Lagneau

Government Commissioner

Florence Riou

Representing the ministers for:

  • RESEARCH
    • Didier Marquer, Policy Officer for Earth Sciences, Georesources and Geotechnologies, Research and Innovation Directorate 
    • Deputy: Fatima Laggoun, CNRS Research Director and Policy Officer for "Continental Surfaces and Interfaces", Research and Innovation Directorate (Ministry of Higher Education and Research)
  • THE ENVIRONMENT
    • Anne-Cécile Rigail, Head of the Technological Risks Department
    • Deputy : Jean-Luc Perrin, Deputy Director for Chronic Risks and Coordination (Ministry for the Ecological Transition and Regional Cohesion - DGPR)
  • FOREIGN AFFAIRS
    • Tristan Dufes, Deputy Director for Strategic Sectors, Economic Diplomacy Directorate
    • Deputy : Pierre Robion, Head of the Energy Division, Strategic Sectors Sub-Directorate, Economic Diplomacy Directorate (DE/STRAT), (Ministry for Europe and Foreign Affairs) 
  • COOPERATION
    • Natacha Ephimoff, Deputy Director for Higher Education and Research (DCERR/ESR), Directorate General for Globalisation, Culture, Education and Development
    • Deputy : Leïla Chabane, Head of Division for Operators and Sector Strategies (DGM/DCERR/ESR), (Ministry for Europe and Foreign Affairs
  • THE ECONOMY
    • Michel Schmitt, Engineer General for Mines, Chairman of the "Innovation, Competitiveness, Modernisation" section, General Economic Council
    • Deputy: Hélène Le Du, Engineer-General for Mines, General Economic Council (Ministry of the Economy, Finance and Industrial and Digital Sovereignty)
  • THE TREASURY
    • Louis Pasquier de Franclieu, Deputy Assistant Director, 3rd Sub-Directorate, Budget Directorate
    • Deputy: Arnaud Wieber, Head of Department for Energy, State Holdings, Industry and Innovation, 3BEPII Department, Budget Directorate (Ministry of the Economy, Finance and Industrial and Digital Sovereignty)
  • MINING
    • Guglielmina Toro, Assistant Deputy Director for Protection and Management of Water and Mineral Resources and Aquatic Ecosystems, Directorate for Water and Biodiversity, General Directorate for Spatial Planning, Housing and Nature
    • Deputy : Jean-François Gaillaud, Head of the Sub-Directorate for the Protection and Management of Water and Mineral Resources and Aquatic Ecosystems, Water and Biodiversity Directorate (Ministry of Ecological Transition and Regional Cohesion)

Members selected for their particular expertise:

  • Anne Besnier, Vice-President, Delegate for Higher Education and Research, Centre-Val de Loire Regional Council 
  • Pierre-Alain Gautier, Director, Corporate Affairs & Partnerships - ERAMET Group 
  • Sylvie Joussaume, Research Director,CNRS, IPSL/Laboratory for Climate and Environmental Science
  • Marc Chaussidon, Director, Paris Institute of Planetary Physics 

BRGM staff representatives:

  • Nicolas Frissant (CFDT)
  • Valérie Guerin (CFDT)
  • Pierre Vassal (CFE/CGC)
  • Lydie Jeux (CFE/CGC)
  • Simon Lopez (CGT)
  • Elodie Giuglaris (CGT)

Economic and financial auditing:

  • Bruno Rossi
  • Jean-Pascal Codine

Last update: April 2024

Chair

Vincent Lagneau
Director, Geosciences Centre at the École des Mines (Paris Tech, France)

Members

Philippe Agard,
Professor, Sorbonne University (Paris, France)

Xavier Arnault De Sartre,
Professor at the University of Pau and the Pays de l'Adour (Pau, France)

Hélène Barucq,
Director of Research at INRIA (Pau, France)

Hélène Budzinski,
CNRS/INEE Research Director (UMR EPOC) (Bordeaux, France)

Philippe Charvis,
Director for Science, IRD (Marseille, France)

Tirza Van Daalen,
Director of the Netherlands Geological Survey - TNO (Pays-Bas)

Anne Le Friant,
Research Director CNRS/INSU - IPGP (Paris, France)

Stéphane Guillot,
CNRS/INSU Research Director, Risk Delegate to the CNRS General Directorate (Paris, France)

Michel Jebrak, 
Professor Emeritus at the Université du Québec in Montreal (Canada)

Patrick Landais, 
Specialist in energy transition issues and subsurface uses, ex-CEA (retired)

Anne Laurent, 
Professor at the University of Montpellier (Montpellier, France)

Louis Londe, 
Technical and Innovation Director at GEOSTOCK (Paris, France)

Christelle Marlin, 
Professor at the University of Paris-Saclay (Paris, France)

Valérie November, 
Research Director at CNRS, affiliated to the LATTS laboratory, École des Ponts, Université Paris-Est (Paris, France)

Judith Sausse, 
Director of the École Nationale Supérieure de Géologie (Nancy, France)

Olivier Vidal, 
Research Director at CNRS/IS Terre (Grenoble, France)

Ralph Watzel, 
Director of the German Geological Survey - BGR (Germany)

Last update: January 2024

Chair

Jean Lamy, Former Ambassador

Members

Pierre Robion, Head of the Energy Division, Strategic Sectors Sub-Directorate, Economic Diplomacy Directorate - Ministry for Europe and Foreign Affairs 

Özlem Adiyaman Lopes, UNESCO

Theresa Ponce de Leão, Chair of the Board of Directors of the National Laboratory for Energy and Geology (LNEG), Portuguese Geological Survey

Denis Favier, Safety Director - TotalEnergies Group

Rémi Pelon, Senior Mining Specialist - World Bank

Céline Adrien,  Director of the EuroGeoSurveys (EGS) secretariat 

Louis Maréchal, Head of Minerals and Extractive Sector - OECD

Vanessa Salas-Pouget, Head of the Energy Unit - (Ministry for Europe and Foreign Affairs)

Rokhaya Samba Diene, Director of Exploration and Promotion of mining at the Ministry of Mines and Geology of Senegal, and President of the Organisation of African Geological Surveys (OAGS)

Yadh Zahar, Professor of Higher Education at the Ecole Polytechnique de Tunisie (EPT) and Director of the VDEC Laboratory (Sustainable Cities and Built Environment)

Jean Launay, President of the French Water Partnership (PFE) 
ou Marie-Laure Vercambre, Director General of the PFE

Frédéric Maurel, Deputy Head of the Water and Sanitation Division - AFD

Didier Marquer, Policy Officer for Earth Sciences, Georesources and Geotechnologies, Research and Innovation Directorate (Ministry of Higher Education and Research)

Hervé Boisguillaume, Deputy Director of Strategy, Partnerships and General Affairs 
ou Chahoul Gaffar, Head of Partnerships, Operators, and Projects Office (Ministry of Ecological Transition and Regional Cohesion)

Last update: January 2024

Nathalie Collignon (ORANO) 
Innovation Director (Châtillon, France)

Jimmy Klinger (SLB) 
Technology Centre Director  (Montpellier, France)

Gilles Boulanger (SUEZ) 
Director of CIRSEE (Le Pecq, France)

Olivier Bouc (CCR) 
Prevention & Innovation Advisor (Paris, France)

Chloé Clair (NamR) 
CEO (Paris, France)

Olivia Touzé (BPIfrance) 
Innovation Delegate and Credit Manager (Maisons-Alfort)

Last update: January 2024

Ministry of economy, finance and industrial and digital sovereignty
By delegation, the Director General of Development, Housing and Nature

Representing the ministry of ecological transitions and regional cohesion
Director for Water and Biodiversity
Director-General for Infrastructure, Transport and Mobility
Director-General for Energy and Climate
Director-General for the Prevention of Risks

Representing the ministry of higher education and research
Director-General for Research and Innovation

Representing the ministry of agriculture and food sovereignty
Deputy Director for Environmental Performance and Regional Development

Representing the ministry of labour, health and solidarity
Director-General for Health

Representing the ministry of the interior and french overseas territories and departments
Director-General for Civil Defence and Crisis Management
Director-General for Overseas France

Representing the ministry of culture
Director-General for Heritage and Architecture

Chair of the BRGM science committee

BRGM chair & CEO

Last update: January 2024

Chair

Marie-Madeleine Miallot-Muller

Members

Jean-Pascal Codine
Jean-Luc Perrin
Louis Pasquier de Franclieu
Marie-Christine Dictor
Denis Thieblemont
Pierre Vassal

Government commissioner

Florence Riou