Graduated from École Supérieure de Commerce de Pau and Leeds University Business School, Julien Nicolas joined SNCF Group in 2005 after a first experience in digital, customer experience, and communication at TF1 Group. He held several key positions in digital and customer relations, before successively leading the Europe Business Unit and then France Business Unit at Voyages-sncf.com.

From 2018 to 2021, he served as Deputy CEO of e.Voyageurs SNCF, overseeing OUI.sncf, the SNCF Assistant app, and the MaaS. He was also a former board member of the French e-Commerce and Distance Selling Federation (FEVAD) and the French Customer Relations Association (AFRC), he was appointed Chief Digital Officer of SNCF Group and President of 574 Invest in 2021.

Since March 2025, he also oversees the Group’s AI strategy and leads e.SNCF Solutions. Julien Nicolas has been a member of the Group Management Committee and the Group Executive Committee since 1^st July 2025.