He was the only Justice during his time on the Court with court experience outside of a federal appeals court. He served as a prosecutor (1966–1968), in the New Hampshire Attorney General's office (1968–1976), as the Attorney General of New Hampshire (1976–1978), as an Associate Justice of the Superior Court of New Hampshire (1978–1983), as an Associate Justice of the New Hampshire Supreme Court (1983–1990) and briefly as a Judge of the United States Court of Appeals for the First Circuit (1990).