Background
Mahoney, William J. was born in 1951 in Milwaukee, Wisconsin, United States.
Mahoney, William J. was born in 1951 in Milwaukee, Wisconsin, United States.
Colgate University (Bachelor of Arts, cum laude, 1973). University of Wisconsin (Juris Doctor, cum laude, 1975). Georgetown University Law Center (Master of Laws, 1978).
Worked at Milbank, Tweed, Hadley & McCloy. Admitted to the bar, 1976, Wisconsin. 1979, New York.