James M. Rippe
James M. Rippe, M.D. is a best-selling author, a world-renowned cardiologist, and founder of the Rippe Lifestyle Institute which researches high performance health. Known as the "father of the modern American walking movement," he has authored 41 books, and continues writing, teaching, and developing fitness programs for corporations and professional athletes. He is married to a television news anchor, Stephanie Hart, and has four children.