
MuayThai Ontario COVID-19 Compliance
Certification showing that Boss Thai Boxing & Fitness Inc. and its instructors have met or exceeded the prescribed guidelines for COVID-19 safety and prevention as dictated by our governing sport authority, MuayThai Ontario.

COVID-19 Safety Certification
Our Head Muay Thai Instructor, Kru Yuki Yamanaka, has completed a Martial Arts Instructor course certifying him as safe COVID-19 Instructors in our facility.

WAKO Certification 2022
Boss Thai Boxing is proud to be a member under WAKO Canada.

Muaythai Ontario Member 2023
Boss Thai Boxing is proud to be a member under MuayThai Ontario.
KRU YUKI "BOSS" YAMANAKA
Yuki began his Martial Arts journey at the age of 7 when he joined a Karate school, and 11 years later he earned his 2ND degree Black Belt. He started his Muay Thai journey at the age of 22 while specializing in Structural Engineering at Carleton University.
Since 2013, Yuki has entered the ring over 30 times and has competed all over the world, representing Team Canada in the 2014 and 2016 World Championships. His competitive career has taken him across Ontario, Western Canada, the United States, Mexico, Italy and Thailand.
He earned his Kru certification (meaning ‘teacher’ in Thai) under Kru Jeff Harrison, presented by Ajahn Burklerk Pinsinchai (record of 172-6), a living legend in Thailand during the Golden Era of Muay Thai.
Kru Yuki has cornered fighters in a variety of events— from exhibition matches to sanctioned competitions, including one of the largest professional organizations in the world: Glory World Kickboxing Series. He can also be seen Officiating at provincial events where he judges and referees sanctioned amateur bouts under MTO.
As Head Muay Thai Instructor, Kru Yuki is excited to share his passion and knowledge of Muay Thai— the Science of 8 Limbs— to the people of Kemptville, of all ages, inside and outside of the gym.
YUKI YAMANAKA'S MUAY THAI HISTORY
- 2014 WMO World Championships in Ayutthaya, Thailand – SILVER MEDALIST
- 2014 TBA Classic Super Middleweight - B Class BRONZE MEDALIST
- 2015 WKF KINGS CUP 155lbs CHAMPION
- 2015 WKF 155lbs THROWDOWN OTTAWA CHAMPION
- 2016 WKF Canadian National Championships – SILVER MEDALIST
- 2016 WKF World Championships (Andria, Italy) – BRONZE MEDALIST
- 2017 Muay Thai Canada (MTC) 71kg 4-man Tournament – 2ND Place
- 2018 WKA 147lbs Canadian Title Contender
- 1-0 Professional Record (Chiang Mai, Thailand)
BOSS VIPS

Milena Hrebacka
Co-Owner of Boss Thai Boxing & Fitness Inc. and Instructor

Zach Marquez
Adults / Women Only / Kids Instructor

Kyra Valcour
Administrative Assistant & Member Relations