JACK MCMILLAN

Jack McMillan is a certified Advanced Oxygen Advantage instructor, Holosomatic Breathwork therapist, and experienced yoga practitioner, with a Master’s degree in Sports Business Management and a background as a former professional footballer.

Combining his experience in elite sport with advanced breathwork and holistic performance practices, Jack specialises in improving physical endurance, mental resilience, recovery, and emotional regulation in high-performing individuals. His approach blends evidence-informed breathwork, mindfulness, nervous system training, and movement practices to help athletes and professionals perform more effectively under pressure.

Jack’s work bridges the gap between elite performance and long-term wellbeing, helping individuals build greater awareness, resilience, and consistency through the practical application of breathwork and conscious movement.

RORY PENROSE

Rory Penrose is a performance coach at Optima Performance, bringing extensive real-world experience from elite sport into his coaching. As a professional hockey player who has represented the England Men’s team internationally and competes professionally in the German Bundesliga, Rory understands firsthand the demands of performing consistently at the highest level.

Alongside his sporting career, Rory is also a qualified yoga teacher and certified breathwork coach, combining high-performance experience with a holistic approach to recovery, regulation, and resilience. His coaching integrates breathwork, movement, and nervous system awareness to help individuals improve performance while maintaining balance and longevity both in and outside of sport.

DR. REBEKAH JADE

Dr Rebekah Jade is a medical doctor, yoga and breathwork teacher, and Nike trainer. Drawing on her background in emergency medicine and physiology, she bridges the gap between science and holistic health to support nervous system regulation, athletic recovery, and sustainable performance.

As a Nike trainer, Rebekah has worked with elite athletes — including the England Football Team — helping them optimise recovery, reduce injury risk, and create greater balance both on and off the field. Her approach combines medical understanding with practical performance tools, integrating breathwork, movement, and recovery practices to support long-term wellbeing and high performance.

DR RICARDO CATUMBELA

Dr Ricardo Catumbela is a medical doctor who brings clinical insight and evidence-based expertise to Optima’s performance and recovery work. With a strong foundation in medicine, Ricardo supports Optima programmes by translating complex health and recovery principles into clear, practical strategies that athletes and high performers can apply with confidence.

Within Optima, Ricardo plays a key role in delivering education around sleep, recovery, and overall wellbeing, helping individuals better understand the science behind performance, resilience, and long-term health. His ability to communicate medical concepts in a clear and accessible way ensures sessions are both informative and immediately actionable.

BEN DAVIE

Ben is a performance coach with over 15 years of experience working across elite sport, general population and complex rehabilitation environments. His background is in strength and conditioning, which underpins a practical, evidence informed approach to improving physical performance and resilience.

Across his career, he has worked within professional football while also supporting everyday athletes and individuals navigating injury, including those with neurological and brain injuries. This range of experience has shaped a coaching style that adapts to the individual, rather than a single system or setting.

Over the past decade, Ben’s work has expanded to include more holistic practices such as restorative yoga, breathwork and nervous system education. These tools sit alongside his S&C background to support recovery, stress management and sustainable performance.

Alongside his coaching work, Ben has led on the UK’s first trial of cold water therapy within prison settings across Kent. This work explored the role of ice baths as a practical and accessible mental, physical and emotional recovery tool in high-stress environments, reflecting his interest in translating performance strategies beyond sport.

Ben works across sport, corporate and rehabilitation settings, bringing a calm, adaptable approach grounded in both experience and practical application.

LAUREN GARNER

A sport and exercise psychologist with an applied professional doctorate, Lauren has worked across several sports including rowing, rugby, gymnastics and e-sports, with her primary background situated within professional football.

She spent years in academy football at Blackburn Rovers and Tottenham Hotspur integrating sport psychology within youth development, and most recently worked as the first team performance psychologist at Sunderland AFC, delivering breathwork sessions to support player wellbeing, recovery, and optimal performance in the run up to the club’s promotion to the Premier League.

Lauren operates from a mindfulness-and-acceptance based approach and regularly practices breathwork herself.