Meet Our Trainers

Meet Fitness Trainer Lisa Domonkos HIIT Training Wednesday 6:00 - 7:00PM and Saturday 11:00 - 12:00PM Staying active has been part of Lisa’s life through activities and sports.  Influenced by the Pumping Iron generation, she first stepped into a gym at the age of 16...

Stephen started boxing at the age of 15. Fitness has been a huge part of his life. Stephen is currently training in mixed martial arts and jiu-jitsu. Stephen is a boxing and sparring instructor at OSI and teaches Cardio kickboxing which is Full body training that...

Born and raised in NE Ohio, son of a teacher and track coach. I was thrust into the athletic world at an early age… as in while my peers got time-outs, I got burpees/push-ups/and plank holds as forms of corrective action. Needless to say I was pretty strong by 1st...

Susan graduated from West Virginia University in 2008 with a M.S. in Exercise Physiology. She currently works full-time at a high school in Cleveland as a Weight Lifting, Conditioning, and Yoga instructor. She is a Certified Strength and Conditioning Specialist...

Kids Fit 101 Tuesday 6:30pm Saturday 9:30am Chelsea is a personal trainer certified through ISSA.  Her main focus is working with children and young female athletes, although is willing to spend time helping anyone interested in the fitness world.  Chelsea played...

Boxing Monday 6:30pm & Wednesday 7:30pm John has over 25 years of martial arts experience. He has trained in Boxing, Karate, Tae Kwon Do, Kenpo and Jiu Jitsu. John has taught in several schools around the city including the Wrestling Factory, Rising Dragon MMA,...

Personal Training by appointment 216-322-7264 Luz is an ISSA Certified personal trainer, and is working on her Group Fitness Certification. Currently in school full-time she is training by appointment only. Luz believes that everyone should participate in some form of...

Training by appointment TJ Slomka owns and operates Old School Iron Gym. Since its inception in 2008, he has grown the gym from a 5,000 square foot facility to the current 16,000 square foot Brook Park location. Born and raised in West Park, Ohio, he attended local...

Brazilian Jiu Jitsu Tuesday 5:30pm, Thursday 7:30pm, Saturday Noon Paul began his Brazilian Jiu Jitsu training during the winter of 2003 under the tutelage of Nova Uniao Black Belt Eduardo “Dudu” Barros while attending Kent State University. Dudu promoted Paul to Blue...

MMA Fundamentals Mondays, Tuesdays & Thursdays 7:30pm Sparring Fridays 6:30pm Tony is an active professional mixed martial arts fighter - with over 25 combined fights in kickboxing and MMA. Previously, he was a scholarship collegiate athlete at a NCAA Div. II...