Julien Four

Julien Four is an experienced cybersecurity and IT project management professional with a robust background in managing security incidents and enhancing internal controls across multiple organizations. Currently serving as the Responsable Cyber Sécurité Adjoint at SNCF Voyageurs since June 2022, Julien previously held the role of Expert SSI at CERT SNCF from January 2017 to June 2022, where responsibilities included incident management and process oversight. Prior experience includes leading IT projects at SFR and architectural roles focused on network security at Crédit Agricole. Educational qualifications include a Master's degree in Téléinformatique from Pierre and Marie Curie University and a Master's in Human Resources Management from IGS-RH.