 By appointment of the Massachusetts Supreme Judicial Court, Vincent served in 1995-96 as Master in the liquidation of American Mutual Liability Insurance Co. and an affiliate.Among numerous arbitrations conducted by him since retirement from the Court, he served in 1996 as the neutral arbitrator in San Francisco in a substantial contract dispute between a major public utility and an independent power marketer.In recent years he has successfully mediated a dispute over the disposition of the proceeds from the sale of two not-for-profit hospitals in Massachusetts, as well as a legal malpractice claim of a government agency against a large international law firm.