700-1 Union Pkwy
Ronkonkoma, NY 11779


Our Trainers


The trainers at Platinum Fitness are non-invasive, non-aggressive, fun, entertaining and very professional! NEVER should you feel like you can’t talk to one any of them! There are many different options available for you and they will always try to answer any of your concerns and questions!

They offer a FREE first session, just to answer your questions and to go over many aspects of the gym and training that you may have known or not known about Platinum Fitness Inquire to the Front Desk or contact a Trainer so you can set-up and appointment for either 1/2 hour or an hour session.

All of our Trainers are fully certified and insured.

Upon joining, especially first-timers will receive an in-house consultation and intro to the health club to answer any questions you may have about your goals.




Marybeth is our group fitness instructor/personal trainer and Silver Sneakers Programmer! Get in on a class with one of Long Islands Top Instructors that we are sure will bring you back the next day for more!!!! Open availability for training, please contact Marybeth through the front desk today!



Ken has been a member at Platinum Fitness for 30 years and has been a fitness trainer on the staff for 18 years now. Ken has multiple certifications including personal training, kick boxing, spin, and holds a black belt in Ishinryu karate. He also prides himself in his vast knowledge in triathlon, road cycling, mountain biking, and he also is a 2 time Ironman finisher and has ran 6 marathons. Ken has also competed in 27 body building contests, with 7 of the athletes that Ken has trained taking 1st place in their contests. Ken has been mentored by the owner of Platinum Fitness Dave Pomponio for the past 30 years and owes everything he has achieved in the fitness industry to him. Ken is available for personal training sessions 7 days a week here at Platinum Fitness for a personal consultation or training. Please call at 631-300-5858.





Mark is a dedicated and experienced Crossfit and personal coach. He works closely with all clients to ensure maximum benefits but most importantly proper mechanics and safety. Mark founded several personal coaching and Crossfit businesses while holding several accredited certificates. Mark focuses on fatherhood first and his two sons Carlo 15 and Jeffrey 9 are both multi sport athletes. He believes in leading by example.