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Suldbayar Damdin

Suldbayar "Sugi" Damdin is a world-class judoka and Brazilian jiu-jitsu champion, with countless international awards and medals to his name. Since childhood, Sugi has dedicated himself to grappling and mixed martial arts. Currently, Sugi serves as the lead instructor at Chantilly MMA, where he lives out his passion for teaching students of all ages the most fundamentally important aspects of mixed martial arts: dedication, respect, discipline, passion, and mastery of techniques.

Brazilian Jiu-Jitsu Lineage: Mitsuyo Maeda > Carlos Gracie > Helio Gracie > Rickson Gracie > Jorge Pereira > Leo Dalla > Suldbayar (Sugi) Damdin


  • 1st place in Judo World Masters, Miami, USA, 2012

  • 9th place in Judo Olympics, Athens, Greece, 2004

  • 9th place in Judo World Championship, Osaka, Japan, 2003

  • 3rd place in Judo World Cup, Astana, Kazakhstan, 2003

  • 3rd place in Judo Asian Championship, Jeju, South Korea, 2003

  • 3rd place in Judo Asian Games, Osaka, Japan, 2001

  • 2nd place in North American Grappling Association (NAGA) Open (Gi), Hampton Virginia, 2015

  • 1st place in North American Grappling Association (NAGA) Open (No-Gi) Virginia, US 2015

  • 2nd place in International BJJ World Master's Championship, Brown Belt, 2015

  • 6 time National Judo Champion of Mongolia, 1998, 1999, 2001, 2002, 2003, 2004

  • National Sambo Champion, Mongolia, 2003

  • 2nd place in International BJJ New York Open, Blue Belt, 2011

  • 2nd place in International BJJ Chicago Open, Blue Belt, 2011

  • 1st place in International BJJ New York Open, Purple Belt, 2015


Jordan Stone

Jordan has been a judo practitioner his entire life. His father was the head of his club back home in Pennsylvania growing up and a 5th-degree black belt. He would often bring him and his brothers to train every week at the various clubs he organized. In addition to Judo, he wrestled for many years and started in BJJ several years ago. Right after high school, he joined the Marine Corps where he helped with the Marine Corps Martial Arts Program and competed with the Armed Forces Judo Team. Jordan is currently a Brown Belt in BJJ and a 3rd-degree black belt in Judo. Jordan has won the Maryland Open, Virginia Open, Keystone state games, Takemori Open, and Ken Tamai Open multiple times. He has also placed 9th at the Senior Nationals, 3rd place at the Liberty Bell International Open, and 1st place at the AM-CAN International Open. In BJJ he has won the NY Open (blue belt), COPA NOVA, Silver at the DC Open (purple belt), and various other tournaments.


Thomas Allen

Thomas started his martial arts journey at the Oxon Hill Dojo under Timothy Price in 1993. There he studied Judo, Isshin Ryu Karate, and Hapkido. Thomas continued to study and practice Judo until 2002 when he stopped to focus on his studies at the University of Maryland. In 2016, he made the decision to train Brazilian Jiu-Jitsu under Master Suldbayar Damdin. Thomas enjoys learning and exchanging Brazilian Jiu-Jitsu techniques while helping others attain their goals.

Frankie Montenegro

Frankie Montenegro

Frank Montenegro (AKA Hulk) comes from a well-rounded martial arts background. Frank was taught by one of the best Muay Thai instructors in the region. Currently, Frank is training Brazilian Jiu Jitsu under Master Sugi. He is now sharing the knowledge that has been accumulated during the last several years with the students at Chantilly MMA.

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