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Remembrance, Careers, United Nations
Major Mercier hails from Montreal. He began his career in the Reserves, and then studied at Collège militaire royal de St. Jean (CMR) in 1989. He completed a Bachelor’s Degree in Military and Strategic Studies (with a minor in Psychology) in 1993. At CMR, he was in turn section commander, sports officer and administration officer, while also playing on the hockey, broomball and football varsity teams.
Captain Mercier earned his qualification as an artillery officer in 1994 during his initial posting to Gagetown, New Brunswick. Upon arriving in Valcartier in August 1996, he was deployed to Haiti with the 5e Régiment d’artillerie légère du Canada. Upon his return, he served as Gun Positioning Officer (1997–98), then as Assistant – Regimental Command Post Officer (1998), and finally as Troop Commander (1999–00). In June 2000, he was posted to the 6e Régiment d’artillerie du Canada (6 RAC) as adjutant as part of the program to support the Reserve Force.
In October 2002, he completed his training as a Public Affairs Officer (PAO) in Ottawa, as well as the Defense Information School in Fort Meade, USA. Posted to Petawawa as part of 2 Canadian Mechanized Brigade Group in the summer of 2002, and later to the base organisation in 2004, he co-ordinated diverse communications efforts during the initial deployment to Afghanistan, as well as the dignified repatriation of the remains of the first Canadian casualties, environmental issues, and part of the celebrations of Canadian Forces Base Petawawa’s 100th anniversary.
Upon returning from Kabul in 2005 as PAO for the Battle Group, he was posted to Montréal in the Land Force Québec Area and Joint Task Force East HQ as PAO Operations and Plans. Promoted to Major in 2007, he held the position of Senior PAO for the region.
In 2009, he was posted to Casteau, in Belgium, as PAO for the group of Canadian soldiers serving in Europe and as Public Affairs Advisor to the National Military Representative (NMR) at Supreme Headquarters Allied Powers Europe, commonly known as SHAPE.
Between 2012 and 2015, he served as senior instructor and led or coordinated teams in Indonesia, Mexico and Chile. He was an operations’ officer and acted as Deputy Commanding Officer at the Defence Public Affairs Learning Centre in Ottawa.
Major Mercier was the Senior Public Affairs Officer for the Canadian Forces Provost Marshal and commander of The Canadian Forces Military Police Group from 2012 until the summer of 2020.
Since the autumn of 2020, he is a communications advisor to the Assistant Deputy Minister of Public Affairs, serving the units of the Vice Chief of the Defense Staff.
He is married to Isabelle, a native of Joliette, and he is the father of Jonatan (20 years old) and Corinne (17 years old). The Mercier family lives in the National Capital Region since their return from Belgium during the summer of 2012.