Background
Costello, John W. was born in 1947.
Costello, John W. was born in 1947.
John Carroll University (Bachelor of Science, 1969). De Paul University Law School (Juris Doctor, 1972).
Worked at Wildman, Harrold, Allen & Dixon (Chicago, Illinois) specializing in Financial Services and Creditors" Rights. Admitted to the bar, 1972, Illinois.