Marie Sigier

Marie Sigier has extensive experience in cybersecurity and network engineering, beginning their career as a network engineer at France Telecom Transpac from 1997 to 1998, followed by a role at SITA until 2002. From 2008 to 2016, they served in technical management for IP/MPLS routers at Orange. Marie advanced to various leadership positions at Orange Business Services from 2016 to 2022, including Head of L2/L3 Security team and Head of Security Expertise and Incubation team, overseeing security operations for both French and international customers. Currently, Marie is the Head of Cybersecurity Operations at Orange France, a role they have held since 2024.