Background
O’Sullivan, DONAL was born on July 21, 1928 in Chicago, Illinois, United States.
O’Sullivan, DONAL was born on July 21, 1928 in Chicago, Illinois, United States.
Loyola University (Doctor of Medicine, 1950. Doctor of Philosophy, 1962. Juris Doctor, 1971).
Working as a partner of PHELAN, POPE & JOHN, Limited. Admitted to the bar, 1971, Illinois. 1972, United States. District Court, Northern District of Illinois.
Chicago and American Bar Associations.