Dr. Donald Greydanus is a Professor of Pediatrics and Human Development at Michigan State University, College of Human Medicine and is the Pediatrics Program Director at Michigan State University/Kalamazoo Center for Medical Studies in Kalamazoo, Michigan. He received his undergraduate degree from Calvin College in Grand Rapids, Michigan and his medical degree from the College of Medicine and Dentistry of New Jersey in Newark, New Jersey. He also completed a residency in Pediatrics from the Mayo Graduate School of Medicine in Rochester, Minnesota and a fellowship in Adolescent Medicine from the New York University School of Medicine and Bellevue Medical Center in New York City. He is co-author of a book on sports medicine entitled Medical Care of the Adolescent Athlete, co-editor-in-chief of the medical journal, State of the Art Reviews: Adolescent Medicine and co-editor of a major textbook in adolescent health--Adolescent Medicine, Third Edition. He has been on numerous committees for National Medical Organizations and has authored over 130 articles in the field of pediatrics and adolescent medicine. He has received the American Academy of Pediatrics' Adele Dellenbaugh Hofmann National Award for Distinguished Contributions to the Field of Adolescent Health. He has lectured extensively on adolescent health in the United States, Europe, and the Middle East. He has been quoted in various media articles and has appeared on the Today Show.