Chief Warrant Officer Yves Lacasse was born in Quebec City and enlisted as an infantryman in the Royal 22^e Régiment in 1991 for a period of three years before returning to civilian life. In 2003, he rejoined the Canadian Armed Forces as a firefighter and in 2004, he was posted to 3 Wing Bagotville where he completed several operations in Canada's North; particularly in Inuvik, Iqaluit and Yellowknife. In 2007, he was posted to 17 Wing Winnipeg. In 2008, he participated in Exercise SILVER FLAG at Tyndall Air Force Base in the state of Florida. In 2009, he formed the first firefighter team to represent the CAF at the World Police and Fire Games in Vancouver and set a new world record in rescue.

Promoted to master corporal in 2010, he was then posted to the Canadian Forces Leadership and Recruit School as a Section Commander. In 2011, he transferred to the Royal Military College St-Jean as master corporal of Operations and Chief Fire Inspector. In 2012, he participated in Operation BOXTOP at CFS Alert. In 2013, he was posted to HMCS CALGARY with Maritime Forces Pacific, CFB Esquimalt, British Columbia.

He was promoted to sergeant in 2014. In 2015, he was transferred to HMCS WINNIPEG as a senior firefighter to participate in Operation CARIBBE, which is an anti-drug operation in the Caribbean Sea. Following OP CARIBBE, he deployed on Operation REASSURANCE in the Mediterranean Sea to strengthen NATO's collective defence. Upon his return from his mission, he was posted to the Naval Training Development Centre (Pacific) as a leadership instructor.

In 2016, he is posted to the Canadian Forces Fire and CBRN Academy at CFB Borden as a course director. In 2017, he was promoted to the rank of Warrant Officer and will serve as Sergeant Major. During this period, he participated in the creation of the National Defense Fire Service Carcinogen Prevention Program. In 2018, he was part of the first Canadian contingent to participate in the DoD Warrior Games in Colorado Springs and was honoured to be the torchbearer during the opening ceremonies of the Games. In 2019, he is posted to the Royal Canadian Air Force Academy as Squadron Commander.

Promoted to the rank of Master Warrant Officer in 2020, he returned to 17 Wing Winnipeg as Fire Chief. In 2021, he is again called upon to be posted and headed to Ottawa to assume the career manager’s responsibilities.

Chief Warrant Officer Lacasse was promoted to his current rank in August 2022 and assigned to the Canadian Forces Fire Marshall office as Occupational Advisor for the 00149 Firefighter trade. Chief Warrant Officer Lacasse and his wife Melanie are the proud parents of three children; Megan, Justin and Maverick.