Bill Ellison is an Associate Professor of Psychology at Trinity University. He teaches Psychopathology and Statistics and Research Methods.

Dr. Ellison is originally from Greenville, South Carolina and earned a bachelor’s degree in History from Princeton University before changing course to attend graduate school in clinical psychology at Penn State University. He received additional clinical training at the Massachusetts Mental Health Center/Harvard Medical School and at Rhode Island Hospital/Alpert Medical School of Brown University.

Dr. Ellison’s research focuses on personality disorders, particularly Borderline Personality Disorder, and the mechanisms, diagnosis, and treatment of personality pathology. He works to develop person-specific models of psychopathology using ecological momentary assessment techniques. Dr. Ellison also uses meta-analytic methods to research psychotherapy process and to help evaluate the evidence base for psychotherapy.