Bess H. Marcus

Best-Selling Authors Malcolm Gladwell and Chip Heath; Four-Time Olympian Silken Laumann; Injured LAPD Police Officer Kristina Ripatti and Husband; Fellow LAPD Officer Tim Pearce to Headline IHRSA 2010... View More

This book is a must-have for any fitness professional who is serious about affecting large-scale change. Motivating People to Be Physically Active applies the psychology of change to the one-one-one, group,... View More