IDEA Health & Fitness Experts

IDEA partners with over 400 of the most respected fitness experts in the world. Find out more about them here.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Nicole Gregory

Nicole Gregory is a writer and editor who loves to swim and hike the many trails in and around Los Angeles. more

Sharon Griffin, PhD, MS, LN

Sharon Griffin, PhD, MS, LN, has a doctorate in exercise science and physiology. She also has a master’s degree in nutrition and is a licensed nutritionist and an ACSM-certified health and fitness instructor. She owns www.NEXIS.org LLC and auth... more

Debra Griffith

I have been into fitness all my life, but the Business of Fitness now for 32 years. Career path has ranged from Group and Personal Training, to Master Trainer for the Schwinn Indoor Cycling program, to Regional Athletic Director at Wellbridge for the... more

Steven Griffith

Steven Griffith has been a business performance and communication coach for over 25 years. As one of America’s most trusted coaches, he has implemented his High Performance Coaching System with the National Academy of Sports Medicine, as well as c... more

Madonna Grimes, MA

MaDonna Grimes, MFA, is the founder and director of the MaDonna Grimes Dance Fitness Theatre Company in Los Angeles, California. Her state-of-the-art facility is dedicated to creating new and innovative avenues for dance and exercise. With her bachel... more

Jeff Groh

Jeff Groh is the owner of Authentic Motion in San Diego, California. He holds a bachelor’s degree in exercise science, is a certified Health and Fitness Specialist from the American College of Sports Medicine, an Advanced Health & Fitness Speciali... more

Jess Gronholm

Jess Gronholm is currently the yoga director at 15 Crunch Fitness® locations in New York. His programs build on the traditional discipline of yoga, while employing the fun and originality for which Crunch Fitness® is known. more

Dave Grotto, RD, LDN

Dave Grotto, RD, LDN, is president and founder of NutritionHousecall LLC (www.nutritionalhousecall.com). He also serves as a national spokesperson for the American Dietetic Association, a columnist for Nations Restaurant News magazine and a scientifi... more