Gifford, who has more than 30 years of commercial brokerage experience, will provide landlord and tenant services for the company.
Most recently, he worked as a senior vice president and partner at NAI Hunneman in Boston, as co-leader of the downtown leasing division.
"In its relatively brief history, PBA has proven its ability to deliver a high level of service to its clients. I look forward to the opportunity to build on this success and continue to grow PBA’s platform in Boston and on the South Shore," Gifford said in a statement.