Sean P. McGrath  founded Stonegate Group in 1988 and, ​as its Chief Executive Officer, leads asset management, acquisitions, sales, ​finance, and development. Sean’s ​decades of experience have afforded Stonegate the “real vision in real estate” ​that has guided the company to the success it currently enjoys.

Outside of his real estate endeavors, Sean has branched out to several other related businesses, including lending and joint ventures. He is also an owner and franchisee of 15 Dunkin’ stores in the Mid-Atlantic region, and
​he owns and operates several solar companies in ​both Massachusetts and California.

A member of several philanthropic organizations, Sean serves on the Finance Committee of the Roman Catholic Archdiocese of Boston, the Board of Trustees of the Nativity School of Worcester, and the Strategic Committee for the Catholic Schools of Boston. Past board positions have included the Meadowbrook ​School of Weston, the ​Museum of Science, and the Nativity School of New Bedford.