Zuzka embodies what fitness is truly about transformation! She turned her entire life around and now seeks to help others do the same. She has become one of the most talented and inspirational fitness trainers in the business today. Her workouts are intense but they're over quick and they offer incredible results. She is also a dynamic heart felt individual who keeps the workouts fun and motivating. I m a big fan of hers." Jillian Michaels, "The New York Times" bestselling author of "Slim for Life" and "Unlimited""

Zuzka Light is the leading fitness personality on YouTube, fostering a following of hundreds of millions worldwide. Light cofounded BodyRockTV before starting Zuzkalight.com, which allowed her to build a huge fan base in the United States and overseas.Her personality, style, and voice have guided her to become one of the biggest influencers in health and fitness. Jeff O Connell is the editor in chief of BodyBuilding.com, which is the largest online health-and-fitness publication, has the world s largest social network, and receives 30 million unique visitors monthly. O Connell was formerly editor in chief at "Muscle Fitness "and executive writer at "Men s Health." He has coauthored five books, including the "New York Times" bestselling "LL Cool J s Platinum Workout," " Formula 50" with 50 Cent, and" Spartan Up! "with Joe De Sena. His first solo work, " Sugar Nation," was published in 2011."