Antoine Mos (PhD) is the leader of the Ventilation and Environment team at CETU, the French national Centre of Expertise on Tunnels. He got his PhD from the University of Lyon in 2005, and has 20 years of experience in the fields of ventilation and fire safety for road and rail tunnels, as well as other underground spaces. He authored or co-authored more than 30 international publications and participates in various technical and regulatory groups, including PIARC and the Channel Tunnel Safety Authority.