The diocese was under the leadership of His Grace, the Right Reverend Nikon (Liolin), who reposed on [[September 1]], 2019. His On September 10, 2019, the OCA announced that Metropolitan [[Tikhon (Mollard) of Washington|Tikhon (Mollard)]] will be the [[locum tenens]] for the diocese until a successor is yet to be announcedfound. The diocesan [[see]] is St. George Cathedral in Boston, Massachusetts.