Fitness For Everyone

About Caleb Messick

I specialize in supporting clients who have tried it all, but are still experiencing chronic pain — and they just want to feel strong and balanced again. 

Through lower impact, stability-focused methods like balance and strength training, I help my clients learn movements that help them walk, run, swing a golf club, and pick up their grandkids with ease.  

With over a decade in sports like wrestling, soccer, and weightlifting paired with working in construction, I learned how ineffective movement can cause long-lasting injuries and muscle imbalances. Waking up unable to do what I used to do, with chronic pain in my back and shoulders, I knew I had to make a major change. 

Today, as a Corrective Exercise Specialist and NASM Certified Personal Trainer, I teach clients how to move more fluently, improve ankle, knee, and hip stability, plus build balance and strength that alleviates pain for life. 

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If you’re ready to feel better in your body, reduce pain, and swing a club like you used to, book a consultative session with Caleb. 

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About Nikki Van Cliff

Nikki Van Cliff is an ISSA Certified Personal Trainer specializing in bodybuilding, nutrition, senior wellness, and fitness for adults. A proud U.S. Air Force veteran, Nichole brings discipline, structure, and purpose to her training style. She has lived in Delaware for more than 20 years and holds both an MBA and a degree in corporate law from Widener University.

As a nationally qualified bikini bodybuilder, fitness model, and brand ambassador, Nichole embodies the lifestyle she teaches while helping others achieve their personal best. She trains men and women of all ages and fitness levels, tailoring each program to meet clients exactly where they are whether they’re stepping into the gym for the first time, preparing for competition, or rebuilding strength and mobility.

Nichole is especially passionate about senior wellness. She believes seniors should maintain autonomy over their bodies and lives, and she empowers them through safe, effective movement that supports independence, confidence, and long-term health.

Her mission is simple: to help every client build strength, resilience, and a mindset that carries far beyond the gym.

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About Robert “Bobby” Grimme

I specialize in helping men and women break plateaus and finally see results… whether the goal is fat loss, getting stronger, or pushing performance to the highest level.

After starting competitive powerlifting at 45 and stepping onto the platform at 46, Bobby went on to break 22 state records in his first 2 meets in the USAPL, drug free. His journey proves that it’s never too late to train smarter, get stronger, and pursue big goals.

Bobby coaching focuses on building muscle, increasing strength, and improving overall conditioning to help clients burn fat, feel capable, and move with confidence. 

Whether you want to improve your squat, bench, and deadlift, change your body composition, or take your training to the next level, Bobby builds personalized programs that meet you where you are and take you as far as you want to go.

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About Amiyah Sizer

I help my clients move from “am I doing this right?” to feeling confident, capable, and proud of their progress. 

Amiyah is an ISSA Certified Personal Trainer with a lifelong passion for fitness, movement, and helping people feel confident in the gym. With 10 years of cheerleading and 7 years of field hockey and track, Amiyah learned early on the power of discipline, consistency, and showing up for yourself. Especially when things feel uncomfortable or challenging.

Walking into a gym can feel intimidating. That’s why I love meeting my clients right where they are and partnering for a plan that helps them feel at home in the gym and in their own body. I focus on proper form, clear coaching, and ongoing support so you not only see results, but actually enjoy the process of getting there. 

Fitness isn’t just about workouts for me. It’s about connection, confidence, and growth. Whether your goal is losing weight, toning your body, or learning proper techniques to build strength, I’m right here with you every step of the way. Together we’ll celebrate your wins and help you build momentum toward results you can feel good about.

Want to get back into shape but need the motivation, confidence, and a little extra push of encouragement? Book a session with me!

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About Lea Martin

I specialize in helping youth athletes and performance-driven individuals build strength, speed, and confidence through athletic-style training focused on safe movement, competitive performance, and resilience on and off the field.

With over 10 years of experience as a competitive softball and track athlete and a strong foundation in kinesiology, I teach clients like you how to train smarter, reduce injury risk, and move with power and confidence — whether you’re a youth athlete, former athlete, or adult who wants to train like one.

We start with a performance assessment to clarify your goals (or your youth athlete’s). I’ll work with you to build a personalized training plan designed to help you stay strong, powerful, and competitive over time.

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About Sam Courtney

Welcome to the new chapter in your life! I’m Sam Courtney and I am a NASM Certified Personal Trainer determined to push you to reach your full potential. I am a former collegiate baseball player and distance runner at Wesley College and Delaware Technical CC. I’m currently an Assistant Coach and the Strength and Conditioning Coordinator for the Dover High School Varsity Baseball team. I have been an athlete for as far as i can remember and have now taken my passion for training and turned it into a career here at Club Fitness. I am excited to grow a relationship with each of my clients and see them grow, not only as an athlete, but as an individual. Whether your goal is to add muscle, shed some weight, or just to get in better general shape for your everyday needs, I will work hard to make sure you get to where you want to be! No more waiting! Get started TODAY!

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