Within the Railway Systems Unit of the Agency, Thomas Chatelet’s is coordinating relevant actions and initiatives related to telecommunication (FRMCS), spectrum and cybersecurity in the frame of the ERA Program “ERTMS Long Term Evolution”. Mr Chatelet is monitoring standardisation aspects (ETSI, ECC/CEPT, CEN/CENELEC) and he is the Vice Chairman of the ETSI Technical Committee on Rail Telecommunication. Since 2018, Thomas is ensuring close collaboration between ERA and ENISA on railway cybersecurity.