Sylvie Lienard is Chief Technology and Security Officer at TOTEM, the industrial 3.0 towerco. After having practiced three years in the French Defence Army, Sylvie joined Orange Research & Development teams to lead projects in the domain of Intelligent Network. She then assumed several management positions in the Networks domain, first on mobile services, then on infrastructures and finally by being in charge of Orange France Mobile Access Network design. She took new responsibilities in the IT domain in 2017, as Director of the IT for Orange France Mass Market segment, and joined TOTEM in 2022.