Walter C. Willett is one of the world's most recognized and highly cited nutritionists and clinical scientists. He is chairman of the department of nutrition at the Harvard School of Public Health, professor of epidemiology and nutrition at Harvard School of Public Health, and professor of medicine at Harvard Medical School.Dr. Willett obtained his medical degree from the University of Michigan Medical School and a doctorate in public health from Harvard School of Public Health. He is the recipient of many national and international awards, some of which include: Linus Pauling Institute Prize for Health Research (2003), Komen Foundation's Brinker Award for Scientific Distinction (2003), Honda Prize for Echo-Technology (2004), and American Cancer Society's Medal of Honor (2005). He is a member of the Institute of Medicine of the National Academy of Sciences. Dr. Willett's publications include Eat, Drink, and Be Healthy and Eat, Drink, and Weigh Less.Additional information can be found at www.hsph.harvard.edu/nutritionsource.