Instructors

Jeff Sass

OWNER/HEAD INSTRUCTOR

Jeff has been training in Martial Arts since the age of 13. He has trained extensively in numerous styles including Japanese Jujutsu, Tae Kwon Do, Ninjutsu, Shinkendo, Hapkido and Eskrima. Jeff holds multiple Black Belts, but in 2008, he decided to strap on the white belt again and began his journey into the depths of Brazilian Jiu Jitsu.

The highly effective and complex art quickly became an obsession for him. Brazilian Jiu Jitsu then became his main passion and focus. He earned his Black Belt in Brazilian Jiu Jitsu on April 5, 2018 under Professor Jon Friedland. He also has over 20 years’ experience as Police Officer and has trained many officers in defense/arrest tactics as well as Brazilian Jiu Jitsu.

Andy Wellman

LIEUTENANT BJJ INSTRUCTOR
HEAD TEENS INSTRUCTOR

Andy, a Brown belt in Brazilian Jiu Jitsu, is NG Sheboygan’s Lieutenant Instructor for adults and the Head Instructor for KIDS BJJ program. He is certified through the state of the state of Wisconsin to teach martial arts to children. He has competed and medaled in BJJ competition numerous times. Andy also has 5 years of boxing experience and is formerly registered US amateur boxing competitor and was a youth boxing club assistant coach.

Josh Kubow

LIEUTENANT BJJ INSTRUCTOR
NO GI TEENS INSTRUCTOR

Josh, a Brown Belt in Brazilian Jiu Jitsu, is NG Sheboygan’s Lieutenant Instructor for adults. He also assists with coaching the KIDS BJJ Program.

AJ Hardenburg

ADULT BJJ INSTRUCTOR

AJ is a Brown belt in Brazilian Jiu Jitsu and a Gentle Art enthusiast. He is an active competitor and has medaled numerous times. AJ also has kickboxing and MMA experience. He teaches the Wednesday 12 p.m. class.

Andrew McDermott

ADULT BJJ INSTRUCTOR

Andrew is currently a Purple Belt in Brazilian Jiu Jitsu and an active competitor. He teaches the Sunday Jiu Jitu + (plus) program on Sunday nights.

Chad Jankus

WRESTLING FOR BJJ INSTRUCTOR

Chad, a Blue Belt in Brazilian Jiu Jitsu, has extensive Wrestling experience. He is a 4-time WIAA sectional qualifier, 2-time WIAA state qualifier with 116 career wins. He is also an active BJJ competitor. He teaches the Saturday morning Wrestling for BJJ class. He is also an assistant wrestling coach at a local high school and has MMA experience. He teaches Friday night’s Wrestling For BJJ and MMA classes.

Nate Born

ADULT BJJ BASICS INSTRUCTOR
HEAD KIDS INSTRUCTOR

Nate is a Blue Belt in Brazilian Jiu Jitsu. He is an active competitor with over 50 matches and has medaled numerous times.

Rainger Rossway

ADULT NO GI INSTRUCTOR
WRESTLING INSTRUCTOR

Before college, Rainger spent a month at Edinboro University training with Olympic heavyweight wrestlers, such as Tervel Dlagnev and Bruce Baumgartner. Rainger was ranked top 10 in the state of Michigan for Division 2 wrestling two years in a row as a junior and senior in high school. After graduating college, Rainger began practicing Brazilian Jiu Jitsu to continue his training and to stay in shape.

Jimmey Cummings

JUDO INSTRUCTOR
ADULT BJJ INSTRUCTOR
KIDS BJJ INSTRUCTOR

Jimmey is a Brown Belt in Judo and a Blue Belt in Brazilian Jiu Jitsu. He is an active competitor and teaches Saturday evenings.

John Brigham

ASSISTANT BJJ INSTRUCTOR

John is Purple Belt in Brazilian Jiu Jitsu. He comes from a traditional martial arts background, holding a Black Belt in Goju Ryu Karate. He has also trained in Tae Kwon Do, as well as more modern styles including Krav Maga, Combat Hapkido and Wrestling. He approaches Jiu Jitsu with a “Keep it Playful” mindset and a flow that is uncharacteristic of larger grapplers.

Always assume that your opponent is going to be bigger, stronger and faster than you;
so that you learn to rely on technique, timing and leverage rather than brute strength.

Helio Gracie

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