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Sean O'Brien

President & Chief Executive Officer, Reliance Home Comfort · Canada

✓ Verified current role· as of 2026-10-01

Sean O'Brien is the CEO of Reliance Home Comfort. O'Brien is based in Canada.

Sean O'Brien became President and CEO of Reliance Home Comfort in 2013 and has led the Canadian home and commercial services company through a period of growth and cultural development. He previously served as President at Acklands-Grainger, Inc., where he held executive roles in sales and marketing. He holds a Bachelor of Arts from Bishop's University.

Recent developments

AI summary of recent coverage

Recent coverage has focused on Sean O'Brien's leadership roles and recognition within business and community spheres, including a Glassdoor award for CEO ratings and an appointment as campaign chair for United Way Halton & Hamilton. The headlines also reference the acquisition of Reliance Home Comfort by the Li family in 2017.

Summarized from the headlines below; see each source for the full story.

Our coverage

On CEOInsider

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Sean O'Brien: FAQ

Who is Sean O'Brien?
Sean O'Brien is the President & Chief Executive Officer of Reliance Home Comfort, based in Canada.
What company does Sean O'Brien lead?
Sean O'Brien is CEO of Reliance Home Comfort.