Harvard Vanguard Medical Associates, Inc. has renewed its lease for 2,818 s/f at 150 Grossman Dr., Braintree Executive Park. Representing Harvard Vanguard and the landlord, Braintree Executive Park LLC, was exclusive broker Richard McKinnon, director of brokerage services for The Grossman Companies, Inc. Braintree Executive Park, two buildings at 100 and 150 Grossman Dr., offer amenities with highway access and visibility. The office is located off of the Union St. exit of Rte. 3 and across the street from the Braintree T stop. Among other Braintree Executive Park tenants are Bank of America, Quadgraphics, Rockland Trust Co., Tremont Federal Credit Union, Strategic Staffing Solutions, and Manpower International.