Sean O’Brien, PE

President and Chief Executive Officer

Sean joined BSC Group in 2017 as the firm’s chief executive officer, bringing a 25-year track record of industry leadership in the transportation, private sector, federal and state client markets. Key to his accomplishments is the establishment of an east coast presence for an historically west coast consulting engineering firm, where he helped to grow the firm’s market share, profitability, and employment roster. Sean has contributed to some of New England’s most notable infrastructure improvement projects, including his work for such clients as the MBTA, MassDOT, and Massport.

Since joining BSC Group, Sean has focused on driving BSC’s growth as a regional leader in the transportation, energy, public and private markets. Propelled by a dedication to technical excellence and client service, he fosters a firm-wide culture of innovation and responsiveness. Sean holds an MBA from the F.W. Olin Graduate School of Business at Babson College, as well as an MS in civil-environmental engineering from Tufts University and a BS in environmental engineering and technology from Norwich University. He is a registered Professional Engineer in Vermont.