Instructor John Kontaxakis

John Kontaxakis

Instructor John Kontaxakis

Certifications – Certified KMG General Instructor; Certified KMG Kids Instructor

John, also known as Yanni, started training in Krav Maga in 2014 and completed the KMG instructor course with KMG (Krav Maga Global) in 2016. Yanni completed his Krav Maga Instructors’ Certificate under Ilya Dunsky (Israel, KMG Expert Level 4 and Global Team Instructor).

Yanni’s passion in martial arts began from an early age as he was inspired by his father who had practiced martial arts for many years. During his years at high school, he was practicing Aikido. In 2001, Yanni began his training in Kung-Fu at the Gary Martin Centre where he learned the three arts Tai Chi Chuan, Hsing-i and Pa-Qua. After seven years of dedication, hard work and consistent training he received his 2nd Degree Black belt.

Yanni is a focused and dedicated instructor whose aim is to empower individuals with the knowledge and skills he has gained from the technical, tactical system that is Krav Maga Global.


  • 3 Years of experience in Krav Maga Global
  • KMG GIC Certified Instructor
  • KMG Instructor Level G4 under Ilya Dunsky (Expert Level 5)
  • KMG KIC Certified Instructor (Krav Junior Instructor)
  • 2nd Degree Black Belt in Kung-Fu (Gary Martin Centre)