Private practice, Minnesota, 1877-
Private practice, New Jersey, -1882
Tappan professor of law, University of Michigan, 1882-1886
Dean, Law Department, University of Michigan, 1886-1890
President, Northwestern University, 1890-1900
Faculty, Yale Law School, 1900-1916; lecturer, 1900-1901; professor, 1901-1920; dean, 1903-1916