With more than 40 years of medical experience, this gastroenterology expert witness specializes in gastroenterology, internal medicine, colon cancer prevention, and nutritional and preventive medicine issues. The expert has more than 25 years of expert witness experience providing consultations, deposition testimony, and courtroom testimony. He holds a certification by the American Board of Internal Medicine and the American Board of Gastroenterology. Educational attainment includes a Bachelor of Arts in Science, a Master of Science in Physiology, and a medical degree, followed by an internship and residency in medicine and fellowship training in gastroenterology.

Clinical and subject-matter experience includes gastrointestinal medicine, colorectal cancer screening and prevention, and the relationship of diet, physical activity, and nutritional factors to colon cancer risk. The expert has also authored and presented research concerning intestinal secretion and the effects of bile acids and fatty acids, including studies addressing cyclic AMP, sodium-potassium ATPase activity, propranolol, and methylprednisolone.

This expert has experience as an Assistant Clinical Professor of Medicine at UCLA. Recognized professional roles have included service on an American Cancer Society educational committee for colorectal cancer, participation on the Cedars-Sinai Cancer Committee, moderation of the World Congress of Gastroenterology, and a guest editorial appointment with the Journal of the American Nutraceutical Association. Professional involvement also includes the Southern California Society of Gastrointestinal Endoscopy and honorary membership in the National Foundation for Cancer Research.