I have 30 years of experience, and specialize in the field of rheumatology with specific knowledge in the areas of arthritis, musculoskeletal problems such as back conditions and post-trauma and autoimmune diseases. I have published on such topics as arthritis, pain, fibromyalgia and lupus and scleroderma. I have testified 20 times on topics such as pain and trauma, autoimmune disease and toxic tort. I helped shape the course of clinical rheumatoid arthritis with a series of clinical studies.