Oren Janiv is the founder and Head Coach of Judo Matsu. He is a former Australian National Judo Team representative, holds a 3rd degree judo black belt and is a qualified High School PE teacher. 

Oren draws from his previous experience training and competing internationally (including extended studies in Germany, Brazil and Japan) to shape the Judo Matsu curriculum. This creates a unique teaching system and style of judo which is designed to be adaptable to each individual’s capabilities and level of athletic experience.

Alongside this, Oren also offers specialised personal training services which integrate closely with martial-art fighting styles. This can be arranged individually with Oren, and supplements the judo movements and principles taught during group classes.

Oren’s formal qualifications include:

  • Sandan (3rd Dan Black Belt in judo)
  • Bachelor of Education (Health and Physical Education)
  • Diploma of Fitness (Fitness Specialist)


Yvonne Floudas is the assistant coach of Judo Matsu, holding a 1st Kyu rank in judo (brown belt) and is an Australian National silver medallist. She holds a broad range of martial arts experience, having also competed in boxing and Mixed Martial Arts competitions.

With additional skills in kickboxing and certifications as a Personal Trainer; Yvonne focuses on methods to empower women at every age. Practically, this includes teaching martial arts and instilling everyday good habits, in order to help each individual build a strong body alongside a strong mind. 

Yvonne is available to coach private lessons by request. Her specialisations include personal training (strength training, calisthenics and/or weight loss), kickboxing/striking and judo.

Yvonne’s formal qualifications include:

  • 1st Kyu rank (judo brown belt)
  • Certificate III & IV in Fitness 
  • Assistant Judo Coach
judo matsu kids class group photo