Mark has been a certified personal trainer with the National Academy of Sports Medicine (NASM) since 2000, starting his career in some of NYC's elite gyms.  Since coming back to Boston, he has trained clients at BSC, Bosse, and now finds his home at BodyScapes in Lexington.  His personal training philosophy is all about balance; strength, flexibility, and core.  Mark's sense of humor and experience enables him to make the beginner comfortable with the new rigors of exercise and yet challenge even the most long time enthusiast.