Southeast Wisconsin's Only Official Rigan Machado Jiu Jitsu Black Belt Instructors


Professor Ryan Courtney

Head Instructor

Black Belt under BJJ Master Rigan Machado

Prof. Ryan has a passion for teaching and spreading his knowledge of this fast growing martial art. Ryan believes in teaching all that Jiu-Jitsu has to offer and teaches a complete style of the art. He has competed in MMA and has won numerous absolute, NAGA, and expert division BJJ titles. He has extensive teaching experience and besides dedicating his time to his students, has instructed for numerous organizations, schools and the United States Army. 



Professor Bob Duffey

Head Kids Instructor/Assistant Adult Instructor

Black Belt under BJJ Master Rigan Machado

Prof. Bob has over 20 years of Martial Arts experience and is a State of WI Certified Corrections/Law Enforcement Instructor, experienced BJJ competitor and former MMA fighter. He has spent over a decade instructing children, adults, schools, private organizations, Law Enforcement and even the US Army.  He has a detail orientated, yet fun and motivating teaching style. 



Professor Dan Boxley

Black Belt under BJJ Master Rigan Machado

Assistant Instructor

Born in Rio de Janiero Brazil, Dan has been training Brazilian Jiu Jitsu for 10+ years . He is an experienced competitor and coach. In addition to BJJ, Prof Dan also trained Muay Thai under world famous coach Duan "Bang"Ludwig. 



Coach Jorge Benavente

Assistant Instructor

- BJJ Brown Belt

- 20+ Years Wrestling Experience

- Experienced BJJ Competitor

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Coach David Miller

Assistant Instructor

- BJJ Purple Belt

- Experienced BJJ Competitor

- Leg Lock Addict

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Inga Bentley

Yoga Instructor

A powerful combination of engineer meets yogi. Inga is a certified RYT 200 hour teacher, certified karma kids yoga teacher, and experienced family yoga instructor. Adult classes are designed to increase flexibility, build strength and clear mind. Inga focuses on building prana (life force or breath) within the body to build heat while increasing mental clarity.

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Chris Frazier

Cardio Conditioning Instructor

Chris is a former NCAA Division 1 Soccer player, experienced personal trainer, certified massage therapist and Brazilian Jiu-Jitsu Purple Belt. Whether you are just beginning on your fitness goals or you are an experienced athlete, Chris' experience and motivating coaching style will help you reach your goals.