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David Bolliger - Instructor

Started his grappling journey with Judo in 2000 under Sensei Mehdi Mohammadian in Neenah Wisconsin. Competing regularly regionally and in national events.



In 2002 he started training Brazillian Jiu Jitsu at the Fox Valley Grappling Club in Appleton Wisconsin.


Late In 2006 moved to Broomfield Colorado and continued his study of Judo under Warren Agena of Northglenn Judo where he was awarded his Shodan (black belt) in January 2009 under the Colorado Judo League affiliated with USA Judo.


Early in 2007, he continued his study Brazillian Jiu Jitsu under Professor Mauricio "Hostile" Zingano. In the Academy, he quickly was given the nickname "Judo Dave" for obvious reasons. Very soon after he was awarded his Blue belt by Professor Zingano. David trained every day at lunch time and when he traveled for work took the opportunity to learn from grappling instructors were ever visited. 


December 2013. He was awarded his brown belt in Brazillian Jiu Jitsu from Professor Mauricio "Hostile" Zingano.


November 2016 He was humbled and honored to receive his black belt from long time friends Rickson Gracie black belts Luiz Claudio and Thiago Veiga (LCCT).  




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