Private practice, Milford, Connecticut, 1755-1757
Private practice, New London, Connecticut, 1757-1765
Justice of the peace, New London, Connecticut, 1765-1775
Member, Connecticut General Assembly, 1765-1776
Chief judge, New London County [Connecticut] Court, 1773-1784
Clerk, Connecticut General Assembly, 1774-1776
Assistant, Connecticut General Assembly, 1776-1786
Delegate, Continental Congress, 1774, 1776, 1777, 1780-1783
Judge, New London [Connecticut] Superior Court, 1784-1789; chief judge, 1786-1789
Mayor, New London, Connecticut, 1784-1806