Gretchen M. Ashton, CFT, SFT, SFN, NBFE , is registered with the National Board of Fitness Examiners, is an International Sports Sciences Association Elite Trainer; personal trainer, specialist in fitness therapy, specialist in fitness nutrition, and a world champion athlete. Gretchen is founder of ScubaFit LLC, developed the Comprehensive FitDiver ® program, is an advanced scuba diver, nitrox diver, and co-author of the ScubaFit ® Diver Course. She is an Expert Speaker for Los Angeles County Scuba Advanced Diver Program and Underwater Instructor Certification Course. Gretchen is Fitness Editor and/or contributor for California Diver Magazine, World's Best Dives, DiverWire, X-Ray Mag, and Scuba Sport Magazine, has been published in Alert Diver United States and Asia-Pacific, at Divetime.com, is an author at ScubaBoard, and a Scuba Fitness Examiner at Examiner.com. Gretchen has appeared on Scuba Radio, Dive Zone Radio, presented at Scuba Shows, has been a guest at dive medicine conferences, was featured in the President’s Council of Physical Fitness and Sports newsletter for inspiring and innovative accomplishments in fitness, and in the Margaritaville Key West website culinary column. As an athlete she set 21 World and Americans records and is the second woman inducted into the AAU Power Lifting Hall of Fame.