Psychiatric evaluations, psychotherapy, psychopharmacology, geriatric psychiatry, and forensic psychiatry shape his work as a psychiatry expert witness with more than 30 years of experience. His expertise includes competency evaluations, undue influence, insanity defense, behavioral health, mental health, psychological assessment, medication management, and psychiatric issues involving clinical and forensic settings. He has provided consultations, deposition testimony, and courtroom testimony for more than 30 years as a psychiatry expert witness. He earned a Doctor of Medicine degree, completed internship and psychiatry residency training, and holds licensure in Texas and California. He is a Diplomate of the American Board of Psychiatry and Neurology and a Diplomate in the Subspecialty of Forensic Psychiatry through the American Board of Psychiatry and Neurology. He is also a Qualified Medical Examiner in California and a Distinguished Fellow of the American Psychiatric Association. His professional involvement includes psychiatric, medical, and forensic psychiatry organizations, along with ethics, professional conduct, bioethics, and medical expert review work. His psychiatric practice includes psychotherapy, psychopharmacology, geriatric and forensic psychiatry, psychiatric emergency services, outpatient psychiatric services, and treatment involving substance abuse, homelessness-related psychiatric needs, and long-term mental health concerns. He has also held clinical professor-level responsibilities, supervised psychiatry residents, and held medical director-level responsibility in outpatient recovery, community mental health, and geriatric psychiatry settings. His forensic psychiatry experience includes competency, insanity defense, malingering, prearraignment forensic evaluations, psychiatric defenses, mental disorders and crime, psychiatric claims, expert witness ethics, and court testimony preparation.