Michelle L. Segar, Ph.D., MPH, M.S., is a motivation scientist and directs the University of Michigan’s Sport, Health, and Activity Research and Policy (SHARP) Center. Dr. Segar’s interdisciplinary work identifies which messages and methods undermine or foster sustainable motivation and behavior change, with a focus on physical activity. For more than 25 years, she has been integrating academic research with her health coaching practice using her motivate-to-maintain method, described in her bestselling book, No Sweat: How the Simple Science of Motivation Can Bring You a Lifetime of Fitness. Dr. Segar served as the inaugural chair of the U.S. National Physical Activity Plan’s Communications Committee from 2013 to 2017. She is a frequent keynote speaker, consults with large organizations, and delivers eCourses to professionals who work in fitness, wellness, and health care (MichelleSegar.com).