Prime Fusion Fitness
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Prime Fusion Fitness
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Coaching
Fusion Journal
Fusion Gear
Contact
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Ignite Your Potential

Ignite Your PotentialIgnite Your PotentialIgnite Your Potential

Personalized coaching that fuses fitness, nutrition, flexibility, and endurance to build strength and lasting vitality.

Start Your Journey Today
A woman lifting dumbbells on a bench press with a male trainer spotting her.

Get Into Your Prime

At Prime Fusion Fitness, everything connects. Your strength, energy, and confidence depend on more than just workouts. They depend on a reasonable, achievable balance of fitness, nutrition, flexibility, endurance, and recovery.

Find out more

The Prime Approach

Fusing Fitness, Nutrition, and Recovery

Look, feel, and perform better through a fusion of proven science and practical coaching, with no gimmicks and no extremes. Just results built through consistency, balance, and mindset. Whether you’re starting fresh, rebuilding after injury, or want to push your fitness to the next level, this is where progress becomes power.


Prime Fusion Fitness is led by certified personal trainer and nutrition coach John Conroy, Under his guidance you will look better, live better, and achieve your goals. If you’re in your 30s, 40s, 50s, or 60s, John specializes in helping you take back control of your health and rediscover what it means to feel strong, capable, and in your prime.

Explore Coaching Options

Be stronger than your excuses.

Training That Fits Your Life

Two men conversing in a gym, one holding a blue folder.

No two people are built the same, and no fitness plan should be either. Whether you prefer hands-on personal training or online support, you’ll get expert coaching designed around your life and goals.

Personal Training (In-Person)

Train one-on-one with John in the Greater Los Angeles area. These sessions are personalized to your fitness level and designed to build lasting strength, confidence, and function. Ideal if you're getting back into shape, recovering from injury, or seeking accountability and results.

Online Fitness Coaching

Get the structure and support of a personal trainer from anywhere, no matter where life takes you. Stay consistent with fully personalized programs, virtual check-ins, and performance tracking.

Nutrition Coaching

Learn how to fuel your body in a way that supports your goals without rigid diets or deprivation. We’ll help you build sustainable habits that energize your workouts, balance your metabolism, and science-backed strategies for lasting change.

Program Design & Hybrid Coaching

Prefer training independently but want expert structure and accountability? John will design a complete fitness program customized to your goals and check in regularly to keep you on track.

Online Yoga (Coming Soon)

A fusion of strength, mobility, and mindfulness, coming soon to your living room.

Get Started Today

Motivation is not the key to consistency. Dedication is.

Meet Your Coach

John Conroy is a NASM Certified Personal Trainer and Nutrition Coach, AFAA Certified Group Fitness Instructor, and graduate student in Applied Physiology & Kinesiology.


With expertise in Strength & Conditioning, Endurance, Balance, Hypertrophy, Weight Management, and Post-Physical Therapy Recovery, John designs personalized fitness programs tailored to your unique goals and needs. He especially enjoys helping if you're new to fitness (or getting back into it), navigating life transitions into middle or older age, or rebuilding after injury, surgery, or illness.


John’s approach blends deep technical knowledge with real-world empathy. He believes progress happens through consistency, balance, and mindset, not extremes. His coaching philosophy centers on helping you develop self-efficacy and rediscover what it feels like to be strong, capable, and in control.

John's ultimate goal is not just to improve your physical fitness, but to create a foundation for lasting vitality and help you become the strongest version of yourself.

Read John's Articles

Credentials

NASM Certified Personal Trainer
NASM Certified Nutrition Coach
AFAA Certified Group Fitness Instructor

My mission isn’t just to help you look better. It’s to help you live better.

Real People. Real Progress.

David A.

David A.

David A.

"Hitting 40 as a new father brought a whole new level of pain and aches that stopped me from being the active and capable parent I wanted to be. I’d been through years of physical therapy, but no one had ever encouraged me towards weight training until I started working with John.


John helped me find a workout regimen that fit in my busy schedule, and guided me towards buying excellent but affordable gear so that I could train at home. My life and fitness changed dramatically, I gained muscles I never knew I could, and now I can keep up with my kids like never before. As an added bonus, my cholesterol and A1C levels improved a lot too!


John has been an excellent coach, easy to talk to, and very mindful of how to help me get the most out of my workouts. I am so grateful to be working with him!"

Amal G.

David A.

David A.

For almost six months now, John has been guiding me with dedication and care. I’ve seen real improvement in my posture, my muscle tone, and my overall strength.


What I appreciate most about John is how attentive and supportive he is. He listens, understands, and works with you based on your abilities. He never pushes in a negative way; instead, he challenges you just enough to help you grow and do better each session.


Because of his approach, my abilities have improved so much. Thank you, John, for your hard work, patience, and the positive impact you’ve had on my fitness journey.Nutrition is a key component of overall health and fitness. I will provide you with nutrition counseling and guidance to help you make healthy food choices and achieve optimal results.

Bill G.

David A.

Valerie B.

I never would have imagined starting a fitness program at 67, but it has undoubtedly been the best decision I have ever made. John’s approach is simple; achievable nutritional goals, while working on strengthening your body. In the short time I’ve been working with John I’ve steadily lost weight (one of my goals), I’ve become steadier on my feet (another goal), but more importantly I’ve been able to tone my muscle mass. I’m fitting into clothes that I never thought I would, and now I’m not ashamed to look in the mirror. 


Probably the biggest advantage of working with John is that I now look forward to going to the gym every morning. It is not a chore to do my workout program that John has crafted for me, it is now fun and rewarding. John is an awesome coach/trainer and always has some sort of encouragement that makes it fun, and makes you want to push for more. 


No matter what your schedule allows, or doesn’t allow, John finds a way to make it all work. Don’t wait for tomorrow, as sometimes it will never come. I am so thankful for John, and what he has been able to guide me to.

Valerie B.

Valerie B.

Valerie B.

Coach John is truly such a wonderful trainer. He explains everything so clearly and even gives me little references or visuals that help lock in my form and remember exactly how to do each exercise. He checks in on my nutrition and water intake and always takes the time to explain why it matters, which keeps me motivated and accountable. He really emphasizes proper form and knows exactly how to push my limits while still keeping every workout fun and engaging. I’m so grateful to be training with him!

Jeff H.

Valerie B.

Jeff H.

I started with John just about a year ago. We discussed what my goals were for starting to train again. After confirming my level of fitness (or lack thereof), John started me on program that pushed my strength levels upward.

John not only guides the physical process of reaching goals, but also adds an incredible level of encouragement that supports my mental state.


This has been a great experience, increasing my overall health!


I should add that one of John's defining qualities as a coach is his ability to help you build the confidence you need to succeed and thrive. He takes away all of the intimidation of the gym, and encourages me to push harder.


With targeted exercises I have overcome weakness from old injuries. I now see the training John's guided and taught as a welcome addition to my everyday life. I am looking forward to continuing training with John!

Strength. Confidence. Balance. That’s the Fusion.

Focused group doing push-ups on mats in a bright gym.

True fitness is about more than how you look. It’s about how you move, recover, and live.


At Prime Fusion Fitness, Coach John will help you develop strength, confidence, and self-efficacy through an integrated fusion of fitness, nutrition, flexibility, endurance, and recovery. His approach is guided by an understanding that the path to sustaining consistent exercise, healthier nutrition, and more restful recovery is paved by systematic, gradual change, not a shock to the system.


“Prime” represents the stage of life when you feel your best: strong, capable, and full of energy. John's goal is to help you get there and stay there.

Start Your Journey Today

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