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.
