Ronald Ruff, Ph.D. received a B.A. in Psychology with French studies from Oberlin College, an M.S. in Counseling Psychology from George Williams College, and a Ph.D. in Clinical Psychology from Illinois Institute of Technology. 

Dr. Ruff began working with children and parents in 1969. He started his private practice in 1974 and continued until 2017. During his forty-eight years of practice, he has had extensive experience in psychological treatment, assessment, and consultation in health care, education, government, judicial systems, training, teaching, and research. He has worked with all age groups and diagnostic classifications throughout his career. Dr. Ruff has conducted individual, group, family, and marital therapy and psychological evaluations within outpatient and inpatient psychiatric hospital settings. He has consulted with many school districts and the state department of welfare, and was psychologist for a juvenile court and juvenile detention center. He has served as an expert witness in many cases involving the personality functioning of children, adolescents, and adults. 

Dr. Ruff was awarded a fellowship to the Harvard Medical School Department of Psychiatry and Cambridge Hospital, Center for Addictive Studies. He was Clinical Director of a residential treatment center for children, Director of Clinical Internship Training, and an adjunct instructor who taught psychology doctoral students the core sequence of objective and personality testing, report writing, and psychotherapy.

Dr. Ruff has considerable experience working with culturally, racially, educationally, and socioeconomically diverse populations. He has been married for fifty-three years and has three daughters and four grandchildren.