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     Dave has been involved in Martial Arts for over 17 years. First enrolling in Karate at age 15, Dave progressed to Jeet Kun Do, and then Brazilian Jiu Jitsu. Dave is currently a Purple Belt in Brazilian Jiu Jitsu, and trains with Professor Daniel Gazoni at Brazilian Top Team.
      Recently, Dave took first place in his division at grapplers quest world championships, and third in the open weight class.
     At the age of 29, Dave successfully established a Brazilian Jiu Jitsu program at Keene State University (the first of its kind), and has overseen it for 3 years.
In 2009 Dave tried out and was selected for the Premier Martial Arts National Amateur Fight Team.
     Dave has studied under or trained with many great Martial Artists including, UFC fighters Jim Miller, Rafaello Oliveira, and Woody Weatherby; as well as Renzo Gracie, Rafael Correa, Roberto Correa, Takeo Tani, Caio Terra, Jeff Jimmo, Dave Ginsberg, and local stars Calvin Kattar and Carlos Lovato.

Seth is an accomplished Muy Thai kickboxer that has trained all over the United States with notable ufc star Mike Swick and local UFC Referee and kickboxer Kevin McDonald to name a few. His training eventually took him overseas to Thailand to train at the world recognized Tiger gym. More recently over the past few years, Seth has been training for the Golden Gloves in Lowell, MA with local Western Boxing coach Chuck Stearns.
Seth teaches traditional and progressive Muy Thai and Western Boxing, here at the Academy.

Seth is currently part of the United States Kickboxing Team.

Ralph Llorens has had an extensive wrestling career in the local (Governor Dummer Academy) and national levels (AAU New Mexico, and Muhlenberg College, Allentown PA) . His grappling experience makes him a valuable asset to the Academy. Ralph's conditioning and work ethic will make sure your cardio is on point and continually challenge you to rise to the next level in your training.

Ralph recently won his mma debut fight by referee stoppage at combat zone!

Renan Borges is a Brazilian Jiu Jitsu Black Belt under Brazilian Top Team. Renan occasionally teaches the beginner and advanced classes at Spero's Martial Arts Academy as a guest instructor.

Renan Borges has seven years experience and teaches and fights with the Brazilian Top Team, Boston, MA. He is the Pan American Champion, Featherweight Division, Black Belt, 2009; three-time Naga Champion, Featherweight, Black Belt; Second Place in the European Competition, 2010, Featherweight, Black Belt; and Third Place in the recent 2010 Rio International Championships. Renan placed Second in Long Island Pride Brazilian Jiu-Jitsu Tournament in Jamaica, New York, in September 2010.
Renan fought on 10/10 at the Maine Freestyle Grappling Open and here are his results:
1st place Brown/Black Belt Gi Featherweight
1st place Absolute Gi
2nd place Absolute No-Gi

Come in for a free lesson !

Casey began his martial arts career in Kung Fu earning his Black Sash. Casey has 5 years of boxing experience and over 5 years kickboxing as well as training MMA fighters for 3 years. Casey is a welcome addition to our staff. Over the last few years, his focus has been strength and conditioning and specializes in one on one personal training.