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ISSA Certified Master Trainer Joshua Charles
Core Shift is more than a fitness brand - it’s a lifestyle revolution. Our mission is to redefine well-being, challenging our community to prioritize holistic health in body, mind and spirit. This movement empowers you to take charge of your physical health, mental well-being and nutritional habits... to not just live longer, but to live stronger, with purpose and vitality.

Core Shift was created by Joshua Charles, an ISSA Certified Master Trainer with a deep passion for helping others live healthier, stronger lives.
Every movement matters. Our programs focus on functional, purposeful exercises designed to help you build strength, improve mobility and enhance your overall quality of life.
Your nutrition is the foundation of your strength and wellness. Core Shift teaches you to view food as a source of energy and vitality, fueling your workouts and your life with purpose.
Being present in every movement is key to achieving real results. At Core Shift, we emphasize the importance of mindfulness in fitness, helping you connect your mind to your muscles for intentional, impactful workouts.
Your body is made to move.
At Core Shift, we teach you how to train with intent, targeting strength, flexibility and endurance to help you move through life with confidence.
Personalized Virtual Training
Your personalized fitness journey starts here! At Core Shift, we design a training program that’s all about YOU. Whether you’re at home, in the gym or traveling, Joshua creates a plan tailored to your goals, schedule and lifestyle.

From guided exercises to real-time progress tracking, this isn’t just another online program – it’s the support and structure you need to stay consistent, get stronger and elevate your fitness journey.
Train With Us
Personalized In-Person Training
Skip the crowded gyms and group workouts. Our premium in-person training is designed for those who need a focused, private experience... whether you’re rebuilding strength after an injury, recovering from illness, or simply seeking a space where you can feel seen and supported.

With Joshua, every session is tailored to YOUR unique needs, ensuring you train safely, effectively and with the care and attention you deserve. Rediscover your strength, confidence and passion - one personalized session at a time.

We are currently completely booked for In-person Training, please submit your information below to be contacted when spots open up!
(For in-person training only, for virtual training, please follow the Train With Us link above)
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  • J. Jacob
    Online Client - Trinidad
    Unlike typical online fitness regimens.

    I’ve been working with Core Shift as an online client for the past 3 months and it’s been an incomparable journey thus far. I chose to pursue fitness in this way because as an avid traveller and fairly busy professional, I needed the best of all worlds; the luxury of personalized training and the convenience of a customizable schedule that I can adapt to my lifestyle. Joshua is an attentive, detail-oriented trainer that meets you where you are both mentally and physically.

    A big highlight for me is his ability to apply his vast knowledge of human biology to making fitness effective. Within a month of working out, I noticed positive changes in my mid section, triceps and lower body. So far, I’ve learnt a lot about how MY body works and in general I feel better and sleep better as well. Being with Core Shift thus far has not only helped me to work on my physical appearance, but integrating wellness into my day to day living.
Fuel Your Life
Nutrition isn’t about restriction - it’s about empowerment. Your body deserves the right fuel to keep you strong, energized and ready for whatever life throws your way.
Personalized Meal Plans
Your workouts are only half the story—what you eat matters just as much. Our Nutrition Specialists design personalized meal plans, crafted to complement your training program.

Whether you’re looking to get stronger, move better, or simply feel healthier... no generic diets here! Just real, balanced meals that work for your lifestyle and keep you on track to becoming the best version of yourself.
Elevate Your Nutrition
Nutrition Guides
Explore our expertly crafted nutrition guides, designed for various goals and lifestyles. Take the guesswork out of healthy eating. Whether your goal is to lose weight, build muscle, or eat for better health, our guides give you simple, clear plans tailored to real-life needs.

No guesswork, no confusion—just balanced, delicious meals to help you stay on track and fuel your progress.
Get Your Guide
Align Your Mind and Body
Connect with Joshua to uncover mental blocks, clarify your goals and develop a mindset that fuels your fitness journey. Unlock your potential by building mental strength, resilience and focus.
Your mindset is your most powerful tool.
Your Transformation Starts Here
What Sets Us Apart
At Core Shift, our programs are backed by science and tailored to meet your specific goals. Here’s a snapshot of the specialized areas we cover:
  • Strength and Conditioning
  • Muscle Hypertrophy
  • Athlete Performance Enhancement
  • Corrective Exercise
  • Ante & Postnatal Training
  • Sport Nutrition
See The Results
We’re proud to be a part of our clients’ life-changing journeys. Meet some of the people who’ve embraced the Core Shift lifestyle and transformed their lives.
Jett Kelly - In-person client
Working with Joshua as my personal trainer has been an absolute game-changer in my fitness journey. From day one, he took the time to understand not just my fitness goals, but also my lifestyle, preferences, and limitations. What sets him apart is his ability to create personalized workout plans that perfectly align with my objectives while respecting my schedule and comfort level.

Joshua’s approach to fitness education is exceptional. He breaks down complex concepts into easily digestible pieces, making sure I understand the 'why' behind each exercise. Rather than pushing a one-size-fits-all program, he carefully adapts workouts to match my current fitness level and gradually progresses as I improve.

The results speak for themselves - I've achieved fitness milestones I never thought possible. But what truly makes him outstanding is his genuine investment in my progress. He celebrates my victories, both big and small, and provides thoughtful solutions when I face challenges. He has a genuine passion for what he does and this is reflected in his continued self improvement. Whether a new certification or personal research, you can be assured you are consistently getting the highest level of service. His encouraging messages between sessions and detailed attention to my form and technique show just how committed he is to my success.

What I appreciate most is how he meets me where I'm at each day. Some days I'm ready to push hard, other days I need modifications, and he expertly adjusts while keeping me on track toward my goals. His knowledge is extensive, but it's his ability to communicate and customize that makes every session valuable and effective.

If you're looking for a trainer who combines expertise with genuine care and personalization, I couldn't recommend Joshua more highly. He's transformed not just my physical fitness, but also my entire approach to health and wellness.
This Is More Than Fitness...
Make Your Core Shift.
Change starts here. Join the Core Shift movement and take the first step toward a stronger, healthier, more empowered version of yourself. Gain early access to our virtual community, resources and personalized support.
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Core Shift is more than just fitness... it’s a commitment to holistic wellness. We focus on strengthening your body, sharpening your mind and fueling your life through purposeful movement and mindful nutrition.
Give the Gift of Wellness
$
100
You don’t need a reason or a season to give the gift of fitness. Core Shift gift cards are the perfect way to inspire friends and family to start their journey toward health and strength.
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