Tom O’Regan and Brian Cohen have both been promoted at Boston-based commercial real estate firm Richards Barry Joyce & Partners.

O’Regan has been named executive vice president, and Cohen will take the position of vice president.

O’Regan is a member of RBJ’s downtown Boston leasing group, specializing in the leasing and sale of office space for tenants and landlords. Before joining RBJ in 2004, he was a director at Cushman & Wakefield, where he worked for more than five years, also in the downtown Boston market.

Cohen joined RBJ in 2006 and manages RBJ’s consulting services practice, which delivers strategic real estate decision support to the firm’s corporate clients. Previously, he was associate director in Cushman & Wakefield’s global business consulting practice, where he advised clients on matters of facility location and real estate portfolio planning.