Private practice, New York City, 1754-1762, -1774, 1775
Clerk, Chancery Court of New York City, 1762
Attorney general, Colony of New York, 1767
Indian commissioner, Colony of New York, 1774
Delegate, Continental Congress, 1776-1783
Member, Provincial Congress, New York, 1776-1777
Mayor, New York City, 1784-1789
State senator, New York, 1782-1785, 1788-1790