Brigadier General (Retired) John Turnbull CD, has a 36 year military career in communications that included extensive employment in the field of signals intelligence and electronic warfare.  This culminated with Command of the CF Information Operations Group and being the lead military liaison between the CF and the Communications Security Establishment.  This engagement included the conduct of CF operations in Bosnia, Afghanistan and Libya.    During a 5 year period of employment with the Communications Security Establishment, he was responsible for government cryptographic security services and the provision of cyber defence policy and guidance to the Government of Canada.     

Over the course of his military career, John gained significant experience in all phases of defence capital procurement.   He is currently a consultant to defence industries.