NRG GYM gravesend Trainers

Personal trainer and stuntman to the stars, I have worked in the fitness industry for over 30 years.

I have experience from martial arts to weight training, fitness training and stunt training.

From the age of 17 I was part of the Jackie Chan stunt team, living in Hong Kong and China. I was also the first red Power Ranger stuntman for the Mighty Morphin Power Rangers.

Over the years I have been personal training to the stars and stunt doubles to them from Jamie Oliver, Tom Hanks, Bruce Willis, Prabhu Deva, Tamannaah Bhatia, Nyra Banerjee, Gurmeet Chaudhry and many more stars.

I specialise in the following: 

  • Martial Arts
  • Weight training
  • Nutritional guidance


  • Level 3 Personal Trainer
  • First Aid

John Cooper was a weightlifter that found his passion for the fitness industry. And after coming to the gym to originally lose weight and tackle some mental health issues, John became engrossed in weightlifting and nutrition and during the pandemic decided to use his time to train to become a Personal Trainer, with the aim to help others achieve their body goals, to feel good about themselves and positively tackle any mental health challenges. 

 John is a Level 2 qualified Fitness Instructor and Level 3 Personal Trainer. He is also studying to become a Level 4 Strength and Conditioning Coach as well as Level 4 specialist in Nutrition and Obesity. 

Follow him on Instagram @jcvsme and on Facebook @jcvsme

Growing up Caitlin had 18 years of dance training/performing experience and 4 years ago she found her love for weight training, and really started to focus on strengthening her physique. 
She really loves to be motivational and teach other people about the knowledge she has learnt along her fitness journey. Caitlin thinks it’s really important to enjoy what you’re doing, and work on confidence alongside achieving your goals.


  • Level 2 fitness training instructor
  • Level 3 personal trainer
  • Diploma in Dance and Musical theatre
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