About ONYX Northfield

 

At Northfield’s ONYX Health Club 24/7 our members are a part of something much more than a gym. We are a club.  Everyone is treated like family and we have a direct one on one personal relationship with almost every single member. We founded ONYX on an open and friendly environment, one that creates a mutual and beneficial workout experience that will take you to whole new levels. As opposed to standard big box gym’s, we take pride in being unique and heartfelt in the relationships that we’ve formed and the atmosphere that we have. Rest assured that when you workout at ONYX of Northfield you will feel comfortable, like you’re right at home and part of the “club”!

We work hand-in-hand with our clients to reach their fitness goals and improve their quality of life by providing the highest caliber of personal training. Northfield features state of the art equipment with plenty of space – making sure your workout is one that goes smooth without having you “rub any shoulders” with other workout enthusiasts. ONYX’s primary operating aspects are based both on research and vast industry experience.

If you have any questions or comments regarding ONYX please feel free to contact us at anytime.

northfield gym

The Gym

9,500 sq.ft of space, new equipment, cardio, weight lifting & aerobics rooms.

Universal Access

ONYX is open 24/7 and your membership can be used at any ONYX gym in the area (currently: Mentor, Northfield, North Olmsted, Parma & Brunswick).

Personal Training

ONYX offers top tier personal training with the industry’s highest rated professionals.  Whether you’re looking for 1-on-1 or small group training, ONYX of Northfield can accommodate you.

Expanding

ONYX is adding an additional 5,000 sq. ft., into the adjacent space right next door to the existing club.  This new build-out will feature a multi-purpose room that will offer many new amenities.  This new project will be completed in 2019.

Jason Lewandowski, Owner & Operator

Jason Lewandowski grew up in Aurora, Ohio. Graduating from Aurora High School in 2004, Jason always had a passion for sports (specifically football, basketball and track & field) but somehow found that he always enjoyed the preparation (training) more so than the actual games. Once he got to college and stopped playing competitive sports, it was this realization that started a lifelong love for any type of fitness training.

After graduation from AHS, Jason spent time involved with various other career opportunities that all eventually led him back to this love for fitness. He gained valuable experience working in fields ranging from landscaping to sales to operations. When the opportunity came up to join the Onyx Health Club team in Northfield he jumped at it!

As the new owner of Onyx in Northfield, his favorite aspect of the job is being surrounded by like-minded and motivated individuals, in the club members, that allow him to share his passion and knowledge around fitness (and learn too!). He is looking forward to building a community of individuals here in Northfield that are not only dedicated to their individual goals but are also supportive of those around them. The idea of a fitness “club;” a place where individuals really feel like a MEMBER of something greater than themselves, is something that drives Jason every day.

Jason Lewandowski Owner & Operator

Jason Lewandowski grew up in Aurora, Ohio. Graduating from Aurora High School in 2004, Jason always had a passion for sports (specifically football, basketball and track & field) but somehow found that he always enjoyed the preparation (training) more so than the actual games. Once he got to college and stopped playing competitive sports, it was this realization that started a lifelong love for any type of fitness training.

After graduation from AHS, Jason spent time involved with various other career opportunities that all eventually led him back to this love for fitness. He gained valuable experience working in fields ranging from landscaping to sales to operations. When the opportunity came up to join the Onyx Health Club team in Northfield he jumped at it!

As the new owner of Onyx in Northfield, his favorite aspect of the job is being surrounded by like-minded and motivated individuals, in the club members, that allow him to share his passion and knowledge around fitness (and learn too!). He is looking forward to building a community of individuals here in Northfield that are not only dedicated to their individual goals but are also supportive of those around them. The idea of a fitness “club;” a place where individuals really feel like a MEMBER of something greater than themselves, is something that drives Jason every day.

Not Your Average Gym

We take pride in being more than just a gym or a business.  ONYX was created by fitness lovers for fitness lovers and together we work towards achieving common goals and leading happy and healthy lifestyles.

Member Satisfaction 98%
Membership Retention 84%
Family 100%

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