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Elite Coaches. Proven Results.

Not personal trainers.
Performance coaches.

Every coach at BTX holds advanced qualifications, and more importantly, every one of them has walked the path personally. They’ve competed, they’ve struggled, they’ve rebuilt. That’s what makes them different.

5.0218 Google reviewsFree 15 minute callNo sales pressure

Meet the team

Meet the team behind
your transformation

The 7 BTX coaches together in the rig at the Finchley Road studio
Team BTX · Finchley Road
We don’t hire trainers who stand and watch. We hire coaches who show up, who know your name, who remember that you mentioned your knee plays up on deadlift day. BTX is a small team by design, because real transformation is built on relationships, not volume.
218
Google Reviews
5.0
Google Rating
500+
Transformations
7 days
A week, 6am to 10pm

The coaches

Seven coaches.
One standard.

7 coaches. Combined decades of experience across strength, nutrition, body recomposition, HYROX, calisthenics, and rehabilitation. Each one personally selected by James Cooper, because at BTX, the standard isn’t negotiable.

James Cooper, founder and CEO of BTX Body Transformation
Founder & CEOJames CooperClinical Nutrition · Performance Optimisation

Educated at King’s College London. The youngest British born BJJ black belt recipient in history. James built BTX on one principle: elite coaching produces elite results.

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Szymon Binkowski, Head Coach at BTX, arms crossed in the studio
Head CoachSzymon BinkowskiStrength Training · Body Recomposition

Born in Poland, trained everywhere. Szymon turned his own transformation into a methodology, his clients’ results speak for themselves across 218 Google reviews.

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Mariyan Voykov, Manager and Senior Coach at BTX, arms crossed in the studio
Manager & Senior CoachMariyan VoykovHyrox · Endurance · Strength & Conditioning

MSc Sports and Exercise Science and a BSc in Biomedical Science, with 10+ years in the industry. Mariyan coaches Hyrox, marathon, cycling and CrossFit athletes, and brings the physiology behind every session.

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Giuseppe Marchesani, personal trainer at BTX
Studio Manager & Senior CoachGiuseppe MarchesaniStrength & Conditioning · Body Transformation

From corporate law to elite coaching. Giuseppe spent 4 years at Fitness First before joining BTX, because he recognised a team that holds the same non negotiable standard he does.

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Benjamin, coach at BTX, in the Finchley Road studio
Coach and Sports Science LecturerBenjaminRehabilitation · Pre & Post Natal · Nutrition Science

Qualified since 2009. Former college lecturer in Anatomy, Physiology and Nutrition. Benjamin brings academic rigour and warm hands on coaching to every client who walks through the door.

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Nicoletta, coach at BTX, in the Finchley Road studio
CoachNicolettaBiomechanics · Movement Quality · Physique

Deeply technical. Passionately human. Nicoletta’s coaching is built on movement quality and precise biomechanics, because the way you move determines how far you can go.

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Eva, Head of Operations and coach at BTX
Head of Operations & CoachEvaPersonal Training · Operations · Life Coaching

Level 3 qualified since 2018, with a Master's degree in Science and a Life Coaching certificate. Eva started at BTX as a personal trainer and now runs the studio day to day while still training her own clients.

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Inside BTX, your training environment

Train with the best
in North London

A 15 minute call with one of our coaches. We’ll understand your goals, answer your questions honestly, and tell you whether BTX is the right fit, no pressure, no obligation.

The BTX studio from the front: reception counter, warm pendant lights and the rig behind
No commitment. No sales pitch.

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