Kevin Carr is a strength and conditioning coach and manager at Mike Boyle Strength and Conditioning (MBSC) as well as a massage therapist and cofounder of Movement as Medicine, a massage and movement therapy clinic in Woburn, Massachusetts. He is the creator of the Certified Functional Strength Coach certification. He has a bachelor's degree in kinesiology from the University of Massachusetts at Amherst and a license in massage therapy from Cortiva Institute in Watertown, Maryland.

Carr amassed a wealth of experience in the field of sport performance and personal training while working at MBSC and has traveled all over the world to educate thousands of coaches and therapists about the MBSC coaching system. He has coached everyone from U.S. Olympians looking for a competitive edge to the average person looking to shed some pounds, move better, and improve their health.

Mary Kate Feit, PhD, is an assistant professor of strength and conditioning in the School of Physical Education, Performance, and Sport Leadership at Springfield College in Massachusetts. At Springfield College, she also serves as the associate director of strength and conditioning, overseeing the graduate assistant strength and conditioning coaches, who serve over 600 student-athletes at the college. Prior to her work at Springfield College, she had an extensive career in sport performance, which included time spent as an assistant strength and conditioning coach at the University of Iowa and the University of Louisville as well as the adult program coordinator at Reach Your Potential Training in Tinton Falls, New Jersey.

Feit completed her graduate degree in applied exercise science with a concentration in strength and conditioning from Springfield College and her bachelor's degree in biology from the College of the Holy Cross, where she was a Division I soccer player. Her love for strength and conditioning originated when she began sport performance training under fellow Springfield alum Mike Boyle at Mike Boyle Strength and Conditioning (MBSC), where she spent seven summers coaching athletes while finishing her high school and collegiate education. She is certified through the National Strength and Conditioning Association, Collegiate Strength and Conditioning Coaches Association, Precision Nutrition, and Functional Movement Systems, and she holds the Certified Functional Strength Coach designation.