Sean was born and raised in Jamaica Plain, Mass. He spent six years in the United States Marine Corps and later worked for Raytheon, Rockwell and Beckman on Aerospace/Defense Programs.
Sean graduated from Fullerton College, California with a major in Business. He later attended Wentworth Institute for Construction Supervision. Sean is also certified by the State of Massachusetts. Prior to his appointment as the Assistant Commissioner of the Building Division, Sean held the position of Building Inspector for 17 years.