Mr. Fenton, a former member of the United States national racewalking team, is a pedestrian advocate and authority on public health issues and policy initiatives to encourage more walking and bicycling. He is the health representative to the executive committee of the Partnership for a Walkable America. As an instructor, he has coached at the highest levels, including the U.S. men's team at the World Championships in 1995, and America's top-ranked female racewalker in 1998.

While training for the 1984 and 1988 Olympic Trials in the 50-kilometer (31-mile) racewalk, Mr. Fenton studied biomechanics and exercise physiology at the Olympic Training Center's Sports Science Laboratory in Colorado Springs, Colorado. He previously worked as manager of research engineering at Reebok. He is the author of The Complete Guide to Walking for Health, Weight Loss and Fitness, as well as The 90-Day Fitness Walking Program, Precision Walking, and The New Walker's Logbook.

Mr. Fenton's research in exercise science began with the study of the biomechanics of walking at the Massachusetts Institute of Technology. He earned his B.S. and M.S. degrees from MIT.