Private practice, Utica, New York, 1838-1839, 1859-1865, 1869-1873
Private practice, New York City, 1839-1851
Judge, New York State Court of Appeals, 1851-1859, 1874-1875
Treaty commissioner, treaty with Great Britain settling the claims of the Hudson`s Bay and Puget Sound Agricultural Companies, 1865-1869
Member, New York State Commission on Appeals, 1873-1874