Soldier under Andrew Jackson, 1812
Private practice, Cumberland Mountains, Tennessee, 1815-1818
Prosecutor, Cumberland Mountains, Tennessee, 1815-1818
Private practice, Nashville, Tennessee, 1818-1824, 1834-1837
Judge, Tennessee Supreme Court of Errors and Appeals, 1824-1834; chief justice, 1831-1834
Allotment as Circuit Justice:
Eighth Circuit, March 10, 1837-October 28, 1862
Sixth Circuit, October 29, 1862-May 30, 1865