Jeff & Stu – The Creators of RIPPEDISM


Meet Your Trainers

Jeff Hirsch

Jeff is a long-time athlete who has competed on a high level in various sports including track and field, and ice hockey. Jeff is a tri-athlete, boot camp instructor and an ISSA certified personal trainer. He has also appeared as a fitness model / motivator in several major fitness programs.

Stu Lopoten

Stu has had a passion for Fitness for a long time. He loves training others to achieve their goals and create their best body. He is a NASM certified personal trainer and teaches classes in New York City that involve cardio sculpting, boot camps, high intensity intervals and resistance training. 


Jeff & Stu are the founders of XFA Fitness. Known for their intense HIIT Style training, they developed the Rippedism program to allow anyone to get in amazing shape with minimal equipment. With Jeff & Stu you will work hard, but you WILL SEE RESULTS