Chris Collymore, Kickboxing GB Head Coach Juniors and Onyx kickboxing programme lead in Northampton

Six coaches · One academy

Meet the Onyx coaching team.

Championship experience, technical depth and clear instruction across Kickboxing, MMA, BJJ, No-Gi, Judo and Wrestling.

Learn who teaches you, explore their documented background and find the training route that fits your goals. Beginners and recreational students are welcome; competition remains optional.

Chris Collymore, Onyx Kickboxing Programme Lead

Kickboxing Programme Lead

Chris Collymore

WAKO World and European champion in Veteran Men’s −63kg Point Fighting; Kickboxing GB Head Coach Juniors.

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Professor Bradman Cuffy, Onyx Head Brazilian Jiu-Jitsu Instructor

Head Brazilian Jiu-Jitsu Instructor

Professor Bradman Cuffy

BJJ black belt in the Zé Radiola lineage; documented British National and IBJJF Masters results.

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Tom Mearns, Onyx MMA and Submission Grappling Coach

MMA and Submission Grappling Coach

Tom Mearns

19 professional MMA fights, a 10–9 record and appearances at Cage Warriors and Bellator.

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Ghislaine “Gee” Hallacy, Onyx Female-Led Brazilian Jiu-Jitsu Coach

Female-Led Brazilian Jiu-Jitsu Coach

Ghislaine “Gee” Hallacy

Karate 4th Dan and BJJ purple belt, with active submission-grappling competition experience.

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Alfie Nourish, Onyx Judo for BJJ Coach

Judo for BJJ Coach

Alfie Nourish

British Judo 1st Dan, promoted on 8 February 2026; 2025 Surrey Junior U81kg gold medallist.

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Gabriel Valincius, Onyx Wrestling Coach

Wrestling Coach

Gabriel Valincius

Experienced wrestling coach with a gymnastics background and a formal qualification in physical training.

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Different disciplines. A shared focus on development.

Chris leads Kickboxing; Tom connects MMA and Submission Grappling; Bradman brings BJJ lineage and competitor development; Gee combines Karate and active No-Gi experience; Alfie teaches Judo; Gabriel develops Wrestling and movement. Their individual profiles explain what those backgrounds mean for students.

Explore adult Kickboxing · Kids Kickboxing · MMA · Submission Grappling

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