Dr. William Jarvis is a professor at Loma Linda University with dual appointments in the Schools of Medicine and Public Health, and a secondary apppointment in the school of Dentistry. Dr. Jarvis is a consumer health education specialist, and is involved in a wide variety of activities related to this field. He is President of the National Council Against Health Fraud, a nonprofit voluntary health agency which combats health misinformation, fraud and quackery. He serves on committees dealing with diverse subjects such as alleged paranormal healing, cancer quackery, controversial public health issues, and nonscientific health care. To that end Dr. Jarvis is also a member of the American Cancer Society's national Committee on Questionable Methods of Cancer Management, and the California Attorney General's Task Force on Health Fraud.