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Chatri is an Instructor at Evolve Mixed Martial Arts in Singapore. Inducted into the Black Belt Hall of Fame in 2019, he has over 40 years of martial arts experience as a student, a fighter, a teacher, and a coach. He holds the rank of Kru in Muay Thai and Black Belt in Brazilian Jiu-Jitsu.

Chatri grew up in Thailand and began his training in Muay Thai at the world-renowned Sityodtong Gym as a young boy. A long-time student of Kru Yodtong Senanan, he has fought professionally in Thailand for the Sityodtong Gym. Chatri’s favorite techniques are the low roundhouse leg kick, the flying knee, and the uppercut. He also loves every type of elbow and refers to it as the single most dangerous weapon in the Art of 8 Limbs. He possesses knockout power in his arsenal. Chatri is a certified senior Muay Thai instructor under the legendary Kru Yodtong Senanan of the Sityodtong Gym in Thailand. He is also a certified Muay Thai instructor by the World Muay Thai Council (WMC).

Sityodtong started training in Brazilian Jiu-Jitsu in 2005 at the Renzo Gracie Academy in New York City. Master Renzo Gracie promoted Chatri to the rank of black belt after 19 years of training.

Chatri is also certified in both CPR and AED training.

Sam-A is an Instructor at Evolve Mixed Martial Arts in Singapore. Sam-A is regarded as one of the best Muay Thai fighters in the world. He is known for his strong defense and counter offense. Sam-A is a multiple-time Lumpinee Super Flyweight World Champion, Lumpinee Bantamweight World Champion, Thailand Super Flyweight, Super Bantamweight, and Bantamweight Champion, and more. He is also the first-ever ONE Strawweight Muay Thai World Champion and the first-ever ONE Strawweight Kickboxing World Champion. With over 20 years of fight experience, he has made a name for himself as one of the top Muay Thai superstars in the world.

Sam-A has fought some of the biggest names in Muay Thai such as Nong-O Gaiyanghadao, Penaek Sitnumnoi, Petchboonchu FA Group, and Singtongnoi Por Telakun, among others.

Sagetdao Petpayathai is a multiple-time Muay Thai World Champion, winning every major title in Muay Thai today. A big Muay Thai Superstar and Legend, he is a 4x Lumpinee World Champion, 1x Rajdamnern World Champion, 2x MAX Muay Thai World Champion, 1x WBC Muay Thai World Champion, 1x WPMF World Champion, etc. Sagetdao has beaten some of the biggest names in Muay Thai such as Saenchai PKSaenchaimuaythaigym, Petchboonchu FA Group, Singdam Kiatmuu9, Nong-O Gaiyanghadao, Anuwat Kaewsamrit, Nongbee Kiatyongyuth, and many others. He has a professional fight record of 162 wins and 62 losses.

The Thai media voted him as one of the greatest fighters in history. He is widely regarded as one of the most aggressive fighters in Muay Thai history with highly technical knowledge in all of Muay Thai’s weapons: punches, elbows, knees, and kicks.

Penaek Sitnumnoi is a multiple-time Muay Thai World Champion. He is a 3x Lumpinee World Champion, 1x Omnoi Stadium Champion, 1x Thailand National Champion, 1x WPMF World Champion, Channel 3 Champion, Channel 7 Champion, etc. Penaek has fought and beaten some of the biggest superstars in Muay Thai today such as Sam-A Gaiyanghadao, Sagetdao Petpayathai, Pakorn Sakyothin, Kongsak Sitboonmee, Saenchai Sor Kingstar, and many others. He has a professional fight record of 67 wins and 20 losses.

The Thai media voted him as Fighter of the Year. He is widely regarded as one of the most exciting fighters of his era.

Drian Francisco is an Instructor at Evolve Mixed Martial Arts in Singapore. He is a WBA Boxing World Champion, WBO Asia Pacific Champion, WBA International Champion, IBF Pan Pacific Champion, and more. Known for his powerful punches and aggressive style, he is an exciting knockout artist. He has fought boxing legends such as Guillermo Rigondeaux and Roberto Vasquez, amongst others, and has trained alongside fellow World Champions Manny Pacquiao and Jerwin Ancajas.

Even though Drian is an orthodox boxer, his strong hand is his left, making his jab, left hook, and left uppercut his favorite punches.

Drian is originally from the Philippines.

Demetrious Johnson is an Instructor at Evolve Mixed Martial Arts in Singapore on a seasonal basis. He is the ONE Flyweight MMA World Champion and the ONE Flyweight World Grand Prix Champion. Demetrious is widely regarded as the greatest pound-for-pound mixed martial artist in history. As the UFC Flyweight World Champion, he broke the record for the most number of world title defenses (11) in the UFC. Known for his speed and explosive wrestling, he has landed the most takedowns in UFC flyweight history. Demetrious is a multiple-time Fighter of the Year Award winner.

In high school, Demetrious was a star athlete, competing in the State Championships for wrestling, cross country, and track. He is also a Black Belt in Brazilian Jiu-Jitsu.