The WSAC is led by Dr. John W. Erdman, Jr. Ph.D. Professor Emeritus of Nutrition and Food Science in the Department of Food Science and Human Nutrition, and in the Department of Internal Medicine at the University of Illinois at Urbana-Champaign. Dr. Erdman leads a global advisory panel of highly respected, well-renowned experts in specific disciplines across the globe who rigorously peer-review Wrigley science.