I have 35 years of experience and specialize in the field of clinical psychology and mental illness with specific knowledge in the areas of drug addiction,substance abuse, mental illness, anxiety stress disorders and research design and analysis. I have published on such topics as drug abuse, mental illness, research design and statistics and anxiety and stress. I have testified 20 times on topics such as insanity, competency to stand trial, consent to treatment, drug addiction, intoxication and mental illness.