Kimberly Garrison
Kimberly is a certified personal trainer and owner of One on One Ultimate Fitness in Philadelphia. She is the Daily News fitness columnist and also is pursuing a Ph.D. in holistic health and nutrition.

Gabriel Gaskin
A certified personal trainer with more than a decade's experience, and the founder of Unlimited Gains Personal Training of Philadelphia, Gabriel believes that extraordinary fitness and optimum health are our birthright - best achieved through a combination of spiritual, mental and physical fitness.

Jim Hart
A certified personal trainer and nutrition consultant, Jim was named one of the "100 Best Trainers in America" by Men's Journal magazine in 2004. Twenty years ago, he confesses, he was badly out of shape and 60 pounds overweight. Now, at age 45, he competes in amateur bodybuilding competitions.

Melissa Kolczynski
A certified fitness trainer for six years, Melissa is also a certified aerobic kickboxing instructor. She says fitness complements her interest in theater and music. She sings with the Philly Pops as well as her own swing trio, Boogie Rhythm.

Jeff Shablin
The certified trainer and founder of Optimal Personal Fitness of Philadelphia has more than 15 years' experience in the business of fitness, and an interest in fitness that dates to his childhood experience as a competitive gymnast