For 40 years Ellington Darden, Ph.D., has worked with thousands of people who want to perform better physically, look more attractive, and improve their overall health. As director of research for Nautilus Sports/Medical Industries for 20 years, he helped develop and popularize the highly acclaimed Nautilus exercise equipment. Now, for the past decade, he”s been a Bowflex advocate. Ellington resides with his family in Orlando, Florida, where he continues to supervise training for research, writes, and works out in his customized home gym.