Lawrence Green is a Professor in the Department of Epidemiology and Biostatistics at the University of California at San Francisco. A former Director of the federal Office of Health Promotion under the Carter Administration, Vice President of the Henry J. Kaiser Family Foundation, and Director of the Office of Science and Extramural Research for CDC, Dr. Green has published broadly on program planning, evidence and evaluation issues, public health, and policy. His awards include the highest distinctions of the American Public Health Association, the American Academy of Health Behavior, the Soc...