Our People

David Birtwistle – Head Personal Trainer

David Birtwistle – Head Personal Trainer

Head Personal Trainer and Movement Specialist

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David specialises in Fat Loss, Lean Muscle Gain, Strength Increases, Toning, Athletic Development, Injury Prevention, Health and Wellbeing. Now an Associated Member of the UK Strength and Conditioning Association, he is able to use his passion and continue to learn from some of the best coaches and professionals in the industry. David first started learning about improving the human body when he was 15. At the time David was being taught and coached by one of the few Certified Strength and Conditioning Coaches, as he was involved with the England U16 Rugby Team. The success he found through rugby, gave him a dedication and willingness to excel and this is something that he loves to pass on to his clients. It also allowed him to learn from the London Wasps conditioning team for several years before completing his degree and introduce me to some very educated and knowledgeable people. David finds the most rewarding part of being in this industry, is helping people to reach their goals. Be it losing some weight, getting moving and enjoying or developing their bodies longevity. The success achieved by his clients, makes him just as happy as it does them.

Area's he cover's

  Chiswick, Ealing, Fulham, Putney, Kensington, Knightsbridge, Mayfair, Wimbledon, Hammersmith, Richmond, Twickenham, Chelsea, West London & South West London Contact us for more information

Berenger Assoumou – Personal Trainer

Berenger Assoumou – Personal Trainer

Personal Trainer who speaks French, Spanish and English.

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With a history of playing American Football, Football and being a Sprinter, Benji has the experience of designing and implementing personalised programmes that develop fat loss, strength, speed, power and muscle mass. He has further developed his understanding of the human body and planned periodised training programmes through the completion of a Personal Training Diploma and with his drive to learn more he has decided to undergo an Advanced Personal Training Diploma. He believes that you do not necessarily need to be an athlete to experience constant progress. Whatever your fitness level, he can always find a way to make you reach your goals with a fully planned training programme and a smile on his face.  

Areas covered

  Hammersmith, Fulham, Chiswick, Kensington, South Kensington, Chelsea, Earls Court, Ravenscourt Park, Acton & Ealing To be trained by Benerger click here

Sally Abbott – Dietitian

Sally Abbott – Dietitian

Sally Abbott BSc PgDip RD MBDA Dietitian

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I am a Specialist Registered Dietitian registered with a protected title with the HCPC (Health and Care Professionals Council). Graduating with a First Class Honours in BSc Public Health Nutrition from University of Wales Institute, Cardiff, I then progressed into specialisation with a Postgraduate Diploma in Dietetics (Merit) and became a Registered Dietitian (RD).   I am currently a Senior Weight Management Dietitian working in the outpatient setting in the NHS, with an interest in Sports Nutrition. I have also featured on the Channel 4 programme ‘Weighing Up the Enemy’ alongside Dr Christian Jessen.   My aim is to motivate and inspire clients to achieve dietary and training goals through bespoke and individualised dietary advice and support.