Marc Leymonerie is the Director of Cybersecurity for the Air France KLM group. He is in charge of compliance and risk management for the information systems of both airlines, both on the ground and on board. He is AQSSI for Air France.

Previously, he was Head of Personnel and Aircraft Security for Air France, in charge of crisis management in case of hijacking.

Committed for more than 20 years to the service of aviation security, he participates in numerous cyber information sharing platforms with his counterparts, with the national authorities DGAC and ANSSI, and in an international context with notably the Skyteam airline alliance, the IATA association, the European agency EASA. He is an executive member of the Cyber Council for Air Transport and a member of several cybersecurity associations (CLUSIF, CESIN, CIGREF...).

He started his career as a security system engineer in a research center in the defense sector before joining Air France in 1998 where he held various management positions. He has been in his current position with Group responsibility for both airlines for 9 years.