Greg LeMond is a legendary and pioneering bicyclist, three-time winner of the Tour de France (1986, 1989, and 1990), three-time World Cycling Champion (1979 junior, 1983, and 1989), author of "Greg LeMond's Complete Book of Bicycling”" (1988, with Kent Gordis), founder of the LeMond Fitness company, bicycle technology innovator, and fitness expert. Greg LeMond runs his company at GregLeMond.com, is ... Read morea leader in the latest training equipment and power (watts) training devices, and has recently reintroduced his brand of LeMond bicycles. He contributes in many cycling periodicals, including Cycling News. He recently joined Eurosport as their Global Cycling Ambassador and as a TV sports commentator. Greg is uniquely qualified to describe the importance of mitochondria during the height of his racing career and also when mitochondrial myopathy resulted in his premature retirement from racing. He will explain why modern athletes need to know the science of fitness. Dr. Mark Hom, M.D. is a Johns Hopkins University trained biologist (B.A. in Biology with Honors), an award winning artist (Kenan Art Award, first place), an award winning medical illustrator while attending medical school at the University of North Carolina (a UNC Dean's grant recipient and also a UNC Holderness Fellowship recipient), a practicing interventional radiologist (one of the most in demand medical specialties), an educator of young doctors (an Assistant Professor of Radiology), and an avid fitness cyclist (riding 4,000 miles per year). Dr. Hom will explain how the human body, various organ systems, and individual cells function in the biologic process of exercise. Dr. Hom will show that mitochondria are at the center of cell energy production, metabolism, and athletic performance, as well as an underlying cause of degeneration, aging, and many diseases. He is currently a member of the Department of Radiology at Virginia Commonwealth University in Richmond, VA. Show Less