The Advisory Board brings together 5 experts in cybersecurity and intelligence.

Their motivation is to enhance the successful implementation of the TEHTRIS strategy with their advice and experience.

Alain Juillet


A Graduate of Stanford University and the EMBA of HEC, former auditor of the 40th class of the IHEDN and the first class of the INHESJ, Alain Juillet began his career as an officer in parachute units and then in the action department of the SDECE. He then worked as an executive then manager in French and foreign companies such as Pernod Ricard, Jacobs Suchard, Union laitière normande, and the Andros group, to finish as President of Marks and Spencer France.

He was appointed in 2002 as Reserve Colonel and a graduate of the French Army General Staff.  […]

Bernard Barbier

Bernard Barbier is the founder of the cyber security consulting company, BBCyber SA, based in Paris. He advises startups, investment funds and major international groups.

He has had a very intense and diversified professional career. He is a recognized expert in three strategic areas: Cyber Defense as CISO of a very large international group, Cyber Operations as Technical Director of the DGSE (NSA or GCHQ equivalent) and Nanotechnologies as Director of LETI in Grenoble.

He was recognized by his peers by being elected to the French Academy of Technologies.

For 10 years, Bernard worked at LETI (Laboratory of Electronics and Information Technologies) of CEA Grenoble, where he was appointed Director in 2003. […]

Arnaud Coustillière

Wing Vice-Admiral Arnaud Coustilliere left active service on August 31, 2020 after a long career in maritime and digital operations.

It left a strong imprint on the Ministry of the Armed Forces as the first COMCYBER (2011/2017) and first DGNUM (2017/2020).

He is currently a Cyber and Digital Senior Advisor to various clusters, organizations and companies; he is particularly dedicated to promoting a trusted digital and the various aspects of cyber defence.

In addition to an on-board maritime career marked by the command of several combat ships, he has spent more than twenty years modernizing the information systems and digital systems of the Ministry of the Armed Forces. […]

Thierry Letailleur

Chief Executive Officer of Financière de Brienne from 1993 to 2000, then Founder and Chairman of the Executive Board of ACE Management from June 2000 to December 2019, Thierry LETAILLEUR has acquired 26 years of experience, as a manager, in the field of private equity applied to the aeronautics (AEROFUND I, II, III and IV funds), defense & security (BRIENNE I, II and III funds) and maritime (ATALAYA funds) sectors.

These funds, totaling more than one billion euros, have been subscribed by leading industrial and financial partners (AIRBUS, SAFRAN, THALES, DASSAULT, NAVAL GROUP, EDF, bpifrance, Crédit Agricole, Régions Nouvelle Aquitaine and Occitanie, etc.).

Since 1993, more than 200 strategic companies have been financed in equity by these funds. […]

Jacques Roujansky

Jacques Roujansky is a general engineer of armament (ret.).

He has been a permanent delegate of the Strategic Committee of the Security Industries sector since its formation in 2018, within the framework of the National Council of Industry.

He joined the Conseil des industries de la confiance et de la sécurité in December 2014 after a career in the French Ministry of Defense from 1985.

In the course of his career, he has held positions in international program management, radar technical management, capability strategy (architect of the protection and safeguard force system) and international strategy at the DGA, and management of plans and programs for the French Army. […]