Paris is home to some of the most respected Chief Information Security Officers in Europe. These leaders guide global companies through complex risks, support digital change, and strengthen the security posture of major industries. The city’s cybersecurity community continues to grow because of experts like the ones below.
Alban Jarry, CIO and CISO, Alliance Mutualiste
Alban is known for his work in strategic risk, regulatory compliance, and digital transformation. He speaks at HEC Paris and contributes to publications like Forbes and Les Echos.
Stéphane Nappo, Vice President and Global CISO, Groupe SEB
Stéphane drives global security programs for Groupe SEB. He plays an active role in the French cybersecurity community.
Sylvain Thiry, Global CISO and Head of IT Risk Management, Société Générale
Sylvain oversees cybersecurity for one of France’s largest banks and helps secure its digital infrastructure.
Benoît Herment, Group CISO, VINCI
Benoît leads cybersecurity for VINCI, a global construction and concessions group with operations in more than 120 countries.
Pierre Farjounel, CISO and Head of Future Developments, ATR
Pierre manages transformation projects and promotes innovation across international teams.
René Thiel, CISO, Carac
René holds certifications, including CISSP and ISO 27001 Lead Auditor. He supports knowledge sharing and collaboration across the security field.
Sébastien Carriere, Global Head of Technology and Group CISO, Louis Dreyfus Company
Sébastien co-chairs the France CISO Governing Body and leads cybersecurity for a global commodities firm.
Pierre-Emmanuel Leriche, Group CISO, Rexel
Pierre-Emmanuel also serves as co-chair of the France CISO Governing Body. He shapes cybersecurity strategy for Rexel, a leader in energy management.
Mylène Jarossay, Group CISO, LVMH
Mylène brings deep experience in information security and telecommunications. She also serves as President of CESIN, one of France’s leading cybersecurity associations.
Olivier Ligneul, Group CISO, ENGIE
Olivier oversees cybersecurity for ENGIE, a global energy company headquartered in Paris. He is known for his work in critical infrastructure protection and is active in France’s cybersecurity community on LinkedIn and in industry forums.
Each of these leaders strengthens more than their own organization. They help raise security standards in Paris by sharing knowledge, publishing insights, and speaking at industry events. Their guidance benefits security teams across the country.
Many of these CISOs take part in forums such as the France CISO Community Executive Summit and Inner Circle gatherings. These events give leaders a space to share challenges, exchange ideas, and improve the region’s collective defense. Strong networks remain one of the most valuable tools for tackling today’s threats.
Paris continues to stand out as a center for cybersecurity excellence. With leaders like these, the city will stay at the forefront of security innovation in France and beyond.