Jack is a registered Performance Nutritionist and qualified chef specialising in nutrition for boxing.

He has had the privilege of supporting professional boxers competing at every level of the sport, from Southern Area Champions through to World Champions. Through evidence-based nutritional strategies, Jack helps fighters optimise their fuelling and recovery, make weight safely and effectively, and maximise performance on fight night.

Holding a Master’s degree in Sports Nutrition and as a registered member of the Sport & Exercise Nutrition Register (SENr), Jack’s recommendations are grounded in the latest scientific research and best practice within performance nutrition. His approach is designed to give fighters a competitive edge and help them achieve peak physical condition when it matters most.

Reiss is an award-winning coach with over eight years of experience in elite sport, having worked with world champion boxers, international medalists, Guinness World Record holders, and actors from major platforms including Netflix and Disney+.

After experiencing firsthand the cost of prioritising business success over health and wellbeing, Reiss developed The Unrivalled Program — a results-driven coaching system designed for ambitious men who want to get into exceptional shape without sacrificing their career, social life, or favourite foods.

With just two hours of training per week, the program focuses on building a strong, sustainable body and mindset that can perform under pressure. Unlike traditional fitness plans, The Unrivalled Program is designed not only to help men get in shape, but to stay in shape for life.

With more than two decades of experience helping individuals reach their full potential, Lee has built a career spanning mental health, education, coaching, and high-performance sport. He has worked with some of society’s most vulnerable individuals as well as elite athletes, helping them create meaningful change through mindset development, resilience training, and effective communication.

Lee’s background includes training NHS professionals in managing challenging behaviours, delivering workshops, and supporting in-patient rehabilitation through health and fitness programmes. Drawing on extensive experience in both one-to-one and group coaching, he specialises in developing winning mindsets, enhancing focus, improving performance under pressure, and helping individuals achieve their goals.