Search for "William Bartholomew Costello"

About Bill

Bill is a Southern Illinois native. He and his wife live in the Carbondale area with their five children. He attended Southern Illinois University at Edwardsville and graduated Cum Laude with a Bachelor’s degree in Political Science. He later earned Masters’ degrees in Special Education and Counseling Psychology, from McKendree University. He in Special Education classrooms in public and private schools.

Later, Bill worked as a counselor-intern for St. Elizabeth’s Hospital, and as a clinician for Chestnut Health Systems. He provided mental health and addiction recovery services, clinical analysis, and employee assistance support. His clients included Federal and State probation,...