Sean O’Brien

Sean keeps Sierra well oiled machine, managing the company's day-to-day operations, office systems, and all aspects of production -- i.e., roof replacements, inspections, and repairs.

A Bay Area native, Sean began his career in the roofing business as a teenager. Sean has over 25 years of experience as a roofer, foreman, superintendent, roof replacement and roof repair estimator, as well as GM. His specialties include: slate, tile, shake, composition shingle, hot tar, and single ply.