Tom Hallahan of Oak Bluffs has been named a sales associate at Kelleher Real Estate Services. Mr. Hallahan will handle both sales and rental transactions for the firm. A member of the Island community for more than 30 years, he has held leadership roles with the Vineyard Playhouse, the Oak Bluffs School Advisory Committee and the Possible Dreams Auction Committee, and was recently appointed chairman of the Dukes County Commissioners. He was awarded a Case Fellowship from Harvard University and a Fulbright Scholar Award to the University of Jordan.