Callahan, Timothy

Timothy J. Callahan, Psy.D. is a clinical psychologist who received his doctorate from Wright State University in Dayton, Ohio. Dr. Callahan has 20 years of experience working with children and families, as well as adults and teens, in a variety of settings including community mental health centers, private practice, hospitals, schools and correctional facilities. He is the Director of Mental Health Services for Greene County Educational Service Center in Yellow Springs, Ohio. Dr. Callahan previously served as the Chief of Psychology for Ohio's adult prison system and Clinical Director of a la...