Mary Yoke has a Masters Degree in Exercise Physiology, two degrees in music, and holds 19 certifications: three from ACSM, the others from organizations such as AFAA, ACE, NASM, PMA, Stott, Physical-Mind, Yogafit, and Johnny G. Spinning. She is an adjunct professor at Adelphi University in New York where she has authored numerous group exercise research studies and teaches a graduate course in functional anatomy and exercise leadership. She continues to teach a variety of group exercise classes and train clients in both traditional fitness and on Pilates equipment.
She is in demand as a presenter and is known as the “trainer’s trainer”, as she travels internationally and throughout the country leading workshops for fitness professionals. Additionally, she presents popular seminars on health and wellness to the general public. She has frequently served as a fitness video consultant and reviewer (for SHAPE, Consumer Reports, and Good Housekeeping), and has served as an expert witness in lawsuits involving injuries related to fitness videos.

Mary has worked in the areas of Cardiac Rehab, Physical Therapy, and corporate fitness and health promotion, served on the Advisory Board for ACSM’s Health & Fitness Journal, and served 6 years on ACSM’s Credentialing committee. She is on AFAA’s adjunct board and is a featured presenter and Master Trainer for AFAA. Mary is the author of four books: A Guide to Personal Fitness Training, 1996, 2001, Functional Exercise Progressions, 2004, Methods of Group Exercise Leadership, 2005, and Personal Fitness Training: Theory and Practice, 2006;
 her first book sold over 85,000 copies and her third book is in use at over 45 universities! She has also starred in six videos, including one video for AFAA and two videos for ACE.