Experienced, Approachable and Committed to Helping Students Progress
Our instructors bring decades of combined Taekwondo experience to Reaction Martial Arts.
Each instructor has their own strengths and teaching style, but they all share the same goal: helping students feel welcome, enjoy their training and make progress at a pace that suits them.
Whether you are joining as a complete beginner, returning to martial arts or looking for a class for your child, our instructors will support you from your first lesson.
Robert Bolt

Chief Instructor – 6th Degree Black Belt
Robert is the Chief Instructor of Reaction Martial Arts and has more than 30 years of Taekwondo experience.
He has competed at national and international level and has trained, coached and developed students across all levels of the club.
Robert leads our St Mellons classes, including the advanced black-belt session, and has a particular interest in technical development, competition training and helping students progress through the higher grades.
Since Reaction Martial Arts was established, Robert has helped oversee:
- 44 black belts and dan grades earned since 2020
- More than 620 successful colour-belt gradings
- More than 200 competition medals
His focus is on creating high standards while maintaining a friendly environment where beginners and experienced students can train alongside one another.
Stacey Wozencroft

4th Degree Black Belt
Stacey is an experienced Taekwondo instructor with a particular strength in teaching children and families.
She leads our Llanrumney class and our children’s after-school class in Tremorfa.
Alongside Taekwondo, Stacey is also an experienced swimming instructor and regularly teaches children within the local community.
Her patient and encouraging teaching style helps children with different confidence levels, learning styles and abilities feel comfortable taking part and developing at their own pace.
Stacey’s own children also train with Reaction Martial Arts, giving her both an instructor’s and a parent’s perspective on helping young students enjoy martial arts.
Kelly Watts

4th Degree Black Belt
Kelly leads our Caerphilly class and creates a friendly and supportive environment for children, teenagers and adults.
She has experience teaching students of different ages and abilities and is particularly good at helping complete beginners feel comfortable when starting martial arts.
Kelly has also delivered breakaway training for women working alone, helping participants develop practical skills and greater confidence around personal safety.
Her experience makes her well suited to students who want to improve fitness, confidence and practical martial-arts skills while progressing through Taekwondo.
Keith Sage

3rd Degree Black Belt
Keith also teaches at our Caerphilly class and is especially popular with our younger students.
His friendly and approachable personality helps children relax, enjoy their training and feel confident taking part.
Keith works alongside Kelly to create a supportive class where students of different ages and experience levels can learn, progress and enjoy being part of Reaction Martial Arts.
Qualified and Trusted Instructors
Our instructors are experienced, insured and DBS checked.
We aim to create classes that are:
- Beginner friendly
- Welcoming and supportive
- Suitable for different ages and abilities
- Focused on individual progress
- Enjoyable as well as challenging
Students are encouraged to develop confidence, fitness and Taekwondo skills without feeling pressured to progress at the same pace as everyone else.
Find the Right Class for You
Reaction Martial Arts offers classes across Cardiff and Caerphilly, including:
- St Mellons
- Llanrumney
- Tremorfa
- Caerphilly
We also run a specialist sparring session in Rumney for existing students.
Ready to Meet the Team?
The best way to get to know our instructors is to come along and experience a class.
Complete beginners are welcome and your first lesson is free.
Questions before booking?
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