Sean O’Brien

Sean O’Brien is the President and CEO of Reliance Home Comfort, a Canadian leader in home and commercial services, providing water heaters, furnaces, air conditioners and other HVAC products, plumbing, protection plans and related services to more than 1.9 million customers across Canada and the US. Since becoming President and CEO in 2013, Sean has focused on planning and implementing strategies to drive growth with an emphasis on strong execution, streamlining operations. In the process, he has improved productivity and profitability, and fostered a high performance culture — keeping the customer at the core of the business. In 2016, Reliance was recognized as Canada’s Top 10 Most Admired Corporate Cultures by Waterstone Human Capital, and Sean was awarded Canada’s Most Admired CEO. Additionally, in 2017, Sean was recognized as one of Glassdoor’s Highest Rated CEOs 2017 Employees’ Choice and Canada’s Top 25 Best Places to work for 2018; most recently once again recognized as Canada’s Top 10 Most Admired Corporate Cultures by Waterstone Human Capital in 2019.

Prior to joining Reliance, Sean was President at Acklands-Grainger, Inc. (AGI). He was responsible for all aspects of AGI’s business in Canada. During his tenure, AGI (Grainger) was ranked #1 on FORTUNE magazine’s 2010 list of World’s Most Admired Companies in the category of Wholesalers: Diversified, and twice recognized as one of Canada’s 10 Most Admired Corporate Cultures by Waterstone Human Capital.

Sean graduated from Bishop’s University with a Bachelor of Arts. He supports various not for profit organizations and charities in his community.