Dr. Ellis has been providing psychological and psychodiagnostic services for adults, couples, and adolescents for more than 30 years. He specializes in the treatment of dysfunctional couples. He offers psychotherapy for individuals with depression, PTSD, anxiety, bipolar disorder, and personality disorders. He provides hypnotherapy for smoking cessation and relaxation techniques. Dr. Ellis specializes in forensic evaluation for individuals with DUI, and criminal offenses. He provides expert testimony and consultation throughout the state of Maryland. Dr. Ellis holds a Ph.D. in Psychology from the University of Toronto with a minor in Endocrinology. Previously, Dr. Ellis was a professor at the undergraduate and graduate level and taught at major universities for several years. He provides supervision and case consultation to postdoctoral residents.