Mark Devanney

Mark Devanney is a highly experienced Network Security Specialist currently working at BT Group since September 2025. Previously, Mark served as a Professional Services Consultant at Check Point Software Technologies Ltd and had various roles at BT, including Senior Manager for Data Centre Networks & Firewall and Head of Network Security. Mark's expertise spans a diverse range of network and security technologies, including Check Point and Cisco firewalls, load balancers, and security architecture. With a strong background in network efficiency and management, Mark has successfully led teams and delivered critical security initiatives across various platforms. Mark holds a Bachelor's degree in Electrical, Electronics, and Communications Engineering from Glasgow Caledonian University.