Kelzo Sidoli

Brown Belt
Ground Hammer Coach Kelzo Sidoli


Kelzo is a Brazilian Jiu-jitsu brown belt under Professor Merv Harries of Ground Hammer Jiu-jitsu. Kelzo initially began her martial arts journey 15 years ago whilst training Korean Kickboxing at HKA under Leigh Preece. Kelzo, who was always a fan of grappling, attended her first Friday night beginners class in 2014 and was hooked instantly, entering her first competition 3 months later.

Some notable accolades in competitive Jiu-jitsu to date:

  • IBJJF Rome Open Champion
  • IBJJF Munich Open Champion
  • IBJJF Paris Open Champion
  • IBJJF European Master Champion
  • UEAJJF Grand Slam Tour Champion
  • UEAJJF World Master Abu Dhabi Silver Medalist

Kelzo travels extensively to train and compete which has included: USA, Thailand, Abu Dhabi, Italy, Germany and Spain but is always looking to add to the list.

Additional qualifications:

  • Off the mats Kelzo is a qualified ChISVA at WMRSASC funded by the Police and Crime Commissioner.
  • BSc. Psychology and Counselling
  • FE Diploma in Child Psychology
  • Safeguarding Level 3 (Adults and Children)
  • UKBJJA Licensed Instructor
  • Enhanced DBS
  • Emergency First Aid