Authors

SARI GREAVES, RDN, is an expert nutrition consultant and former national spokesperson for the Academy of Nutrition & Dietetics. She is a leading nutrition expert in women’s health, weight management, and wellness and disease prevention. As the Nutrition Director at Step Ahead Wellness Center in Far Hills, New Jersey, Sari provides personalized nutrition counseling to men and women seeking weight...

SARA HAAS, RDN, LDN is a food and nutrition expert with formal training in the culinary arts. She works as a freelance writer, recipe developer, media authority, public speaker and consultant dietitian/chef. Sara is a former culinary and nutrition instructor and served as a National Academy of Nutrition and Dietetics Media Spokesperson. Sara has been featured in Eating Well Magazine,...

ROGER HALL is an HKC certified kettlebell trainer. He holds a master’s degree in education from the University at Albany. Roger has trained and been involved in fitness for 8 years. He currently lives in upstate New York where he opened a thriving kettlebell studio. He is the author of the Body Sculpting with Kettlebells for Men and Tabata Workout...

DAVID KIRSCHEN is the Director of Personal Training and Strength Coach at New York’s EVF Performance gyms. He has 15+ years of personal training, coaching, education, and club management experience at Asphalt Green, Equinox, Cando Fitness, and American Leisure. David earned a BS in Physical Education from SUNY Cortland, and is a respected presenter and coach for a number of...

GWEN LAWRENCE has been a practicing fitness professional since 1990. Her current practice includes private yoga training, class instruction, her sport-specific Power Yoga for Sports training program, and her VYX™ (Vinyasa Yoga Extreme) system. Gwen is the yoga instructor for several New York Yankees baseball players, team yoga instructor for the New York Giants and New York Knicks, and many...

HOLLIS LANCE LIEBMAN, prior to his career as an author and personal trainer, has been a fitness magazine editor, national bodybuilding champion and published physique photographer. Hollis has also served as a bodybuilding and fitness competition judge. He is the author of Complete Physique. His previous books include Peak Physique, From Slight to Might, Exercise in Action: Core, and more.  Visit...