I have 20 years of experience and specialize in the field of pain medicine and psychiatry, with specific knowledge of treatment of chronic pain, neuropathic pain and psychopharmacology. I have published on such topics as sleep disorders and addiction in chronic pain patients, ethical issues in treatment of chronic pain and medical education. I have testified 18 times on topics such as disability claims, medical malpractice, state-of-the-art pain treatment, alleged insurance fraud by a patient with pain and child custody.