J William | Personal Training at Gymbox Old St

J William

J William is a performance-focused coach with over 14 years’ experience across strength & conditioning, injury rehabilitation, and combat sports. Holding an MSc in Rehabilitation Science, he specialises in building resilient, pain-free bodies through intelligent screening, progressive loading, and high-quality movement. His approach blends clinical insight with practical self-defence and kickboxing-based training to deliver real-world performance and confidence.

SPECIALTIES
Body Composition - Fat Loss / Muscle Gain, Strength Training, Rehabilitation, Sports Specific, Muay Thai
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put the pro in your programming

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