ANSSI's Organisation
As a national authority, ANSSI reports to the General Secretary for Defence and National Security (SGDSN). SGDSN assists the Prime Minister in fulfilling his responsibilities in terms of national defence and security.
ANSSI’s Executive Office is composed of a Director General appointed by Decree from the Prime Minister, and a Deputy Director General, both of whom are assisted by a Chief of Staff and a Head of Cabinet.
Vincent Strubel
DIRECTOR GENERAL
Vincent Strubel is a graduate from Ecole Polytechnique (class of 2000) and of Telecom ParisTech.
In 2005, he started his career at the DCSSI (Central Network and Information Security Directorate), which later became ANSSI (French National Cybersecurity Agency). He successively held the positions of research lab manager, head of division and head of the Expertise department. In July 2020, he was appointed as head of the newly created OSIIC (Operator of Classified Interdepartmental Information Systems), which was a fusion of one of ANSSI’s department and of the governemental transmission center (CTG). He held this position for two and a half years.
General engineer Vincent STRUBEL was appointed Director General of ANSSI on January 4, 2023.
Jennyfer Chrétien
CHIEF OF STAFF
Jennyfer Chretien holds a Master’s degree in Public and Political Communication from Sciences Po Bordeaux (2009).
She began her career with a generalist French think tank, then spent nearly seven years as a consultant in the public affairs and crisis management sector. Between 2017 and 2022, she headed a French think tank specializing in the digital transformation of society. In this capacity, she authored and co-authored numerous publications and reports. She has also been a member of several public consultation bodies on digital issues, including the Observatoire de la haine en ligne of the Autorité de régulation de la communication audiovisuelle et numérique (Arcom) and the EducNum collective of the Commission nationale de l’informatique et des libertés (CNIL).
She joined ANSSI in March 2023 as Cabinet Director.
Laurence Bégou
DEPUTY CHIEF OF STAFF
Laurence Bégou holds a master's degree in European Governance from Sciences Po Grenoble (2011).
She began her career at the European Parliament as a policy advisor to Members of the European Parliament, specialising first on European transport policies, then on European digital public policies (GDPR, e-privacy, digital contract law, NIS, etc.). After six years at the Parliament, she joined the ANSSI's European and International Affairs team, responsible for negotiating a number of and non-legislative texts at international level on cloud, product security, 5G and industrial policy. Following a work experience in the private sector as Director Communications and Institutional Relations for cybersecurity, then Director of Communications and Public Affairs and member of the Executive committee for France, she returns to ANSSI in June 2024 as Deputy Chief of Staff.
Julie Chantreux
CHIEF OF CABINET
Julie Chantreux holds a BA in Political Science from the University of Exeter in the UK and an MA in Middle East Economic Policy from the University of King’s College London.
She spent three years working for the French and European diplomatic services, specializing in coordinating French positions in Brussels during the French Presidency of the EU Council.
She joined ANSSI as Chief of Staff in April 2023.
DEPARTMENTS
In order to conduct its diverse range of missions, ANSSI is structured into four departments.
Renaud Labelle
HEAD OF THE EXPERTISE DEPARTMENT (SDE)
Renaud Labelle is a former student of the École Polytechnique and the École Nationale Supérieure des Télécommunications, and is now a General Engineer of the Corps des Mines.
He joined the Ministry of Defence in 1999, where he spent the first part of his career, holding various positions in the fields of telecommunications and security of information systems (particularly in cryptography), such as specialist, team leader, advisor, and programme director.
Renaud Labelle joined ANSSI in February 2018 as Deputy Head of the Expertise Department, and was appointed Head of the Expertise Department in July 2020.
Chloé Chabanol
HEAD OF THE OPERATIONS DEPARTMENT (SDO)
Chloé Chabanol holds a Master’s degree in Risk and Crisis Management from Paris 1 Panthéon-Sorbonne University. She went on to specialize further by attending the national session of the Institute for Studies and Research on Corporate Security (IERSE) now part of the IHEMI (Institut des Hautes Études du Ministère de l’Intérieur).
Beginning in 2008, she held various positions as a consultant in cybersecurity and crisis management within the private sector.
She joined ANSSI (French Cybersecurity Agency) in September 2018 as a policy officer in the Strategy Sub-Directorate. In September 2020, she took over leadership of the CERT unit within the Operations Sub-Directorate, before founding the Ecosystem, Services and Cooperation Division in 2023. She was appointed Deputy Director of Operations in February 2025.
Sophie Chaillet
HEAD OF THE RESOURCES DEPARTMENT (SDR)
Sophie Chaillet's professional career has been including a variety of experiences in government administration.
She held management positions in both central and local government administrations notably overseeing transformation projects. Her expertise covers legal affairs, human resources, budgetary, logistics and property management, as well as public policy design.
She also contributed to major reforms and project management in several Ministries. She joined ANSSI in January 2025 as Deputy Director of Resources.
Gaëtan Poncelin de Raucourt
HEAD OF THE STRATEGY DEPARTMENT (SDS)
He is a former graduate from the École Normale Supérieure and a senior civil servant from the Corps des Mines.
Gaëtan Poncelin de Raucourt is deputy director of ANSSI’s strategy sub-directorate since September 2021.
Before joining ANSSI, he was deputy director of control at the AFA (French Anti-Corruption Agency). He previously held expert and managerial positions at the French Ministry of the Economy.
He has been Head of Strategie since november 2023.
Matthieu Autret
HEAD OF CONTROL AND OVERSIGHT DEPARTMENT (MCS)
Matthieu Autret is Chief Mining Engineer, former graduate of the École Polytechnique and the École Nationale Supérieure des Mines de Paris.
He joined the French Ministry of Industry in 2003, before being seconded as a national expert to the European Commission, where he was in charge of anti-dumping and anti-subsidy investigations at DG Trade. He was then Head of the industry, energy, environment, telecommunications, research, space and postal services sector at the Secretariat General for European Affairs (SGAE) from 2008 to 2013.
He then worked in the private sector for a number of international groups, where his responsibilities included finance.
He joined ANSSI in March 2021 as Head of the sectoral coordination division, then became regulatory project manager reporting to the Strategy deputy director, in charge of piloting the creation of a team combining control and supervision activities within ANSSI.
In January 2025, he became Head of the Controls and Supervision mission.