Major Christie was born in the small coastal village of Creignish, Cape Breton Island, Nova Scotia.  He enrolled in the Canadian Armed Forces as a Signal Operator in 2002.  He received an accelerated promotion to Corporal upon completion of Basic Training, attended his apprenticeship and journeyman courses at CFSCE, and was posted to the garrison signal squadron at Camp Gagetown, New Brunswick.  Whilst there, he deployed to Afghanistan (Operation ATHENA) in a tactical comms outpost.  Promoted to Master Corporal, he was posted to the 2nd Battalion, The Royal Canadian Regiment as a Command Post NCO and TAC-NET Administrator.  He deployed to Afghanistan for a second tour, this time with the 2 RCR Battle Group.  During that deployment, then Master Corporal Christie was awarded the Commander CEFCOM Commendation (perpetuated by CJOC) for deploying tactical and operational networks for Canada’s combat forces.  In 2009, after spending 7 years in uniform, Blair was promoted to Sergeant and posted to the Canadian Forces Joint Signal Regiment (CFJSR) in Kingston, Ontario.  Whilst there, Sergeant Christie deployed to Afghanistan for a third time and completed his master’s degree.  He was recommended for and received The Queen’s Commission via the Special Commissioning Plan (SCP) in 2011.  He was promoted to Lieutenant and posted to CFSCE to complete his officer training.

Lieutenant Christie remained at CFSCE and served as a Troop Commander with 3 Squadron.  He led an instructor cadre entrusted with technical trades training and specialist qualifications.  Advanced promoted to Captain in 2013, he moved to 1 Squadron, CFSCE where served as an instructor, and ultimately Course Director, for Signal Officer training.  In 2015, Captain Christie returned to his ‘home unit’ – the CFJSR – and was appointed as the Regimental Adjutant.  During his tenure as the ‘Adjt’, Captain Christie deployed to Erbil, Iraq (Operation IMPACT) in 2016 where he served as the Theatre Activation Troop Commander for strategic command & control systems.  He returned to his post as the Regimental Adjutant until his promotion to Major in 2018.  His first assignment as a field officer entailed a deployment to Latvia (Operation REASSURANCE) where he served with the J6 staff.  He and his team were tasked to plan and execute over 20+ long-standing C2 / CIS initiatives needed to interconnect 7 allied armies contributing to the NATO mission.  Major Christie returned from tour and was appointed as the C&E Branch Adjutant in 2019.  During that time, he travelled to London, England and Normandy, France with the Colonel Commandant.  They were honoured with a private audience with Her Royal Highness, The Princess Royal, Princess Anne at St. James Palace and they represented the C&E community during the 75th Anniversary of the D-Day Landings at Juno Beach.

Major Christie was invested into the Order of Military Merit in 2019 at the rank of Member.  He holds a Master of Arts in Professional Communications along with diplomas in network management and business administration.  He attended senior signal staff officer courses in Germany and Australia.

Blair is married to his beautiful wife Melissa (who hails from across the Causeway in Antigonish, Nova Scotia).  They have three wonderful children.​