Erwan Hirrien

Erwan Hirrien is an experienced professional in the field of railway signaling, currently serving as the Responsable de l'agence bretagne GBM en signalisation ferroviaire at GROUPE MAHÉ since January 2024. Additionally, Erwan has held the position of Responsable de l'agence Bretagne en signalisation ferroviaire at Avenel Officiel since March 2005. Erwan Hirrien holds a Master’s degree in IUP Télécom & Réseaux from Université de Bretagne Occidentale, completed between 2000 and 2003.