Gerald D. Oster, PhD, has worked in a variety of inpatient and outpatient settings for more than 35 years. He is currently providing therapy and assessment services in private practice; he also supervises graduate students in psychological testing. In the past, he held the titles of clinical associate professor of psychiatry and psychology internship director. He has co-authored numerous books and professional publications, including Using Drawings in Assessment and Therapy: A Guide for Mental Health Professionals.