About Kaizen

David Thomas

Chartered Physiotherapist, MSc, BSc

David is a physiotherapist and the founder of Kaizen Physiotherapy & Performance. David graduated from the University of Birmingham with an MSc in Physiotherapy after completing a degree in Sports and Exercise Science. Utilising this knowledge he has gone on to treat a wide array of patients and conditions, in elite sport and as a specialist Physiotherapist in the NHS. He has completed postgraduate courses in hands-on therapy and holds qualifications in martial arts coaching and sports massage.

David currently works at Chelsea FC as a physiotherapist in the academy. He has previously worked with semi-professional rugby teams and also treated international and Team GB athletes in sports including karate, swimming, fencing & athletics. David’s passion is using movement and exercise to help people be the best version of themselves and achieve their goals, whatever their starting point!

Special interests

Augustin Hadonou

Chartered Physiotherapist, MAACP, BSc

Gus Hadonou is a Chartered Physiotherapist with a decade of experience, bringing a unique blend of Reformer Pilates and Strength & Conditioning principles his physiotherapy practice. Enabling clients to return to high level sporting performance as quickly as possible. Alongside working for Kaizen Physiotherapy & Performance, Gus teaches Reformer Pilates in Richmond and continues to run an NHS clinic in Kingston. As a recent nominee for the Doctify Patient Voice, Gus is more determined to go one step further this year! 

Gus graduated from the University of Liverpool in 2014, his work across NHS, private and international settings has enabled him to develop a multifaceted philosophy and approach. Alongside a focus on exercise, Gus employs multi-faceted treatment strategies including acupuncture and manual therapy to help reduce pain during the recovery process. He has a passion for further improvement in the health sector, demonstrated by his participation in various clinical trials such as shoulder and knee joint outcomes with physiotherapy vs surgery; and also including AI use in the health care setting.

Outside of work, Gus is a keen skier and enjoys (not always) participating in triathlons. He spends the rest of his time bickering with his business partner about the football.

Special Interests

Check out some of Gus’ reviews below!

 Liam Thornton

Paediatric Physio,
MCSP, BSc

Liam is Kaizen’s Specialist Paediatric Physiotherapist, dedicated to helping children and young people move with confidence, recover from injury, and get back to the activities they love. With over five years of hands-on experience, Liam brings expertise, energy, and empathy to every patient he works with.

A graduate of the University of Brighton, Liam combines his background in strength and conditioning with a passion for supporting young athletes. Having played semi-professional rugby himself, he understands the challenges of returning to sport — both physically and mentally — and uses that insight to guide his patients through every stage of recovery.

Liam’s experience spans the NHS, private practice, and elite sporting environments, including collaborations with athletes in the Harlequins and Brentford Academy Pathways. His approach is all about blending rehabilitation with performance — helping young people not just recover, but thrive.

Outside of work, Liam enjoys hiking, gym training, and spending time outdoors. His love of activity keeps him grounded and fuels his passion for helping others do the same.
Special interests

• Paediatric musculoskeletal rehabilitation

• Return to sport for youth athletes

• Strength and conditioning in physiotherapy

• Lower limb rehabilitation

• Injury prevention in young athletes

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