Online Personal Training!

Our expert trainers specialize in bringing personalized workouts to the palm of your hand.


1-on-1 In-Home Training

woman doing yoga with green ball

ONYXstrong is an In-home Personal Training division where we take our proven “roadmap to a healthier you” training structure and apply it to home-based workouts! Our plan has helped thousands of clients around northeast Ohio achieve their ultimate fitness and wellness goals inside our clubs.

Now, we are offering the convenience of a trainer coming directly to your home with all the necessary workout equipment for your session. When gym access is limited, or you're too busy to drive to the gym, or if you simply can't afford in-home equipment - we’ve got you covered. We are now presenting the same opportunity to receive world-renowned personal training from our certified professionals in the privacy and convenience of your home or office.

Are you a business owner that has no time to make it to the gym?

If you’re like most entrepreneurs, you’re probably extremely busy. You don’t even need to be an entrepreneur to be busy, you just need to be a human in the 21st century. Between work obligations, families and other priorities, finding the time to work out seems impossible.

You want to hit the gym, but you just don’t have time. You’re too busy out trying to build an empire. We can help you! Our certified personal trainers will come directly to you when you’re free - want a quick workout on your lunch break? We will be there with our equipment ready for you! If you have a team of employees and are interested in offering group training for your staff - we can do that too!

Redeem your free session - We bring the trainer to you!

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Meet The Team

Our team understands how difficult losing weight and gaining muscle can be without the right knowledge of where to even start. With your In-Home ONYXstrong Personal Training Program, we will start with a fitness consultation to analyze your body type, BMI, health history & current abilities so we are able to create your individualized fitness plan. ONYXstrong Personal Training will provide you with convenient and creative in-home workouts to help you crush your goals!

Certified Personal Trainer

Hi, my name is Michael, I am a Certified Personal Trainer through the National Academy of Sports Medicine (NASM), and I also graduated with a Bachelor's Degree in Exercise Science from Youngstown State University. Prior to graduation, I interned at the SPIRE Institute Performance Center as a Performance Coach/Trainer for the SPIRE Basketball Academy. I will integrate forms of resistance training/cardio (HIIT) training using weights, kettlebells, resistance bands, and/or bodyweight exercises to push you physically and mentally, ultimately achieving your goals. I can guide beginners to experienced individuals, finding new and challenging approaches to current routines. I have high hopes in pursuing professional athletes (NBA) and earning more certifications geared toward other specialties.

Fitness Director

Hi I’m Kevin, and I’m the Fitness Director and Master Trainer at Onyx Health Club 24/7 Mentor on the Lake. I have been involved with fitness training and conditioning since 1998 when I started weight training for interscholastic sports. I’ve earned a bachelor's of science degree in Sport Management from Cleveland State University as well as certifications from The National Council on Strength & Fitness (NCSF) and the American Sports & Fitness Association (ASFA). Some of my specialties include; Muscle building, Fat loss, Sport-specific training, and conditioning as well as High-intensity Interval training. I pride myself on giving my clients all of the tools that they need to reach their goals, as well as passing along my knowledge of fitness and body sculpting to each and every client I work with.

Certified Personal Trainer

Hello, my name is Madison Trokanski. I am a certified personal trainer at Onyx Health Club 24/7 Niles. I have been involved in the fitness industry for 2 years. Certified as a personal trainer through The American Council on Exercise (ACE). Having extensive knowledge on the human anatomy, exercise physiology, fundamentals of applied kinesiology, nutrition basics and the physiology of training. Also, musculoskeletal injuries and prevention. Specializing in corrective exercise and resistance training in all populations including those with disease and or disorders. Takes great pride in designing fun and effective programs that will encourage clients to reach their goals. Implementing various types of training methods such as strength, resistance and bodybuilding through the use of free-weights and body-weight exercise. Hoping to continue my education this Fall by going into a physical therapy program.

Certified Personal Trainer

Hi, My name is Racheal. I am a Certified Personal Trainer thru NETA. I also hold a Certification in Sports Nutrition. I am a licensed Zumba instructor and Plate By Zumba coach as well. I love to see people be successful and reach their goals as I have personally lost 100lbs and I believe that fitness is mind, body, and soul and I personally have overcome a food addiction as well as low self-esteem and lack of confidence. I am ready to help you be as successful as your trainer! These workouts can be done in the comfort of your home, office, or local park, which makes getting your results - inevitable! There’s no better time to start than now. Schedule your free fitness consultation today!

Jose Castillo
Fitness Director

Hi, my name is Jose Castillo . I am a certified personal trainer and Fitness Director at ONYX Health Club 24/7 Northfield. I graduated from Cleveland State University with my bachelors in Exercise Science and have been in the industry for 7 years. I have professional experience in weight loss, muscle tone & building, Cardiac & Cardiopulmonary rehab, as well as Hiit training. I truly believe that every individual deserves to live the highest quality of life and achieve any goal they set for themselves. I bring a ton of energy, upbeat personality , but most importantly I listen to all my clients needs and concerns during my training sessions. My goal is to continue to educate, inspire, and motivate all individuals to be the best version of themselves while maximizing their results. These workouts can be done in the comfort of your home, office, or local park, which makes getting your results - inevitable! There’s no better time to start than now. Schedule your free fitness consultation today!

Nate Poston
Certified Personal Trainer

Greetings, my name is Nate Poston Jr. and I'm a Certified Personal Trainer at ONYX Health Club 24/7 in North Olmsted. I am certified through the National Academy of Sports Medicine(NASM) and I graduated from Heritage College with a diploma and personal training. I have been training since the mid-90s after surviving Desert Storm. I'm also a specialist in Nutrition! I specialize in functional training, which we all know is very important when it comes to reducing injury and mimicking everyday life movement patterns. My goals are to inspire all individuals (no matter the fitness level) and to encourage and help people engage in a healthier lifestyle! Training with me will be an exciting and educational experience! Eat right and train hard, hooah! See you soon!

Exciting News!
More Fun Stuff Coming Soon!
ONYX Twinsburg Grand Opening Event & VIP
Ralph Gracie Seminar!
Come join us on the big day & register for the seminar below.
Seminar tickets are $75 for the 1st 100 attendees and $100 for the next 100. Only 200 tickets available!
Twinsburg Grand Opening - January 10th (5-9pm)
Ralph Gracie Seminar - January 10th (6:30-8:30pm)

more than a gym

We Focus On

Fitness - Accountability - Nutrition

and our 24/7 gyms reflect this in our offerings

Wear Comfortable Clothes!

Whatever clothes you want to get sweaty is fine with us, seriously.

Drink Out Of Any Size Water Container!

We don't care what size container you drink out of, just stay hydrated!

Freedom of Expression!

Finally did it? Then celebrate! Going hard? Then let it out! There's no alerts here.

Personal Training

Each session is completely customized and tailored to your goals, your schedule, and your body.

Group Classes

Get gains and make friends in any of our numerous Group Classes.