Kacy Duke

Celebrity fitness trainer and cofounder of Equinox Fitness Clubs Kacy Duke has made some of the most famous people in the world red-carpet ready, including Julianne Moore, Kirsten Dunst, Denzel Washington, Iman, Bruce Willis, Lenny Kravitz,and Mary J. Blige. She was chosen by New York magazine as one the city's top workout gurus; has appeared on national television, including "Good Morning America" and "20/20"; and has been featured in Fitness, O, and Vogue, among many other magazines.

Selene Yeager is a top-selling health and fitness writer. Her work has appeared in Shape, Fitness, Women's Health, O, Good Housekeeping, and Cosmopolitan.