David is a Brazilian Jiu Jitsu Brown belt promoted under Andy and Mikey Main and currently training under the legendary Alliance BJJ coach Mario Reis. 
David started training BJJ in April of 2006 before the rise of MMA and immediately fell in love with it.  Shortly after receiving his Blue Belt he began assisting with coaching the beginners class and after receiving the rank of Purple Belt started teaching classes of his own.  Now with over a decade of experience in Jiu Jitsu his passion for the art only continues to grow.  In his instruction he exhibits fine details in technique and has proven an ability to pass these details to others for years.  In addition to teaching David has successfully competed in multiple grappling tournaments and continues to test himself in competition to this day.

Dan is a Brazilian Jiu Jitsu Brown Belt under Andy and Mike Main. Dan started martial arts at a young age and in addition to his Brown Belt in BJJ he holds rank of Green Belt in Judo.

Dustin is a well accredited lifelong wrestler who started wrestling at eight years old.  Throughout his high school career Dustin became a four year varsity wrestler and a captain of the wrestling team.  After his high school career Dustin continued wrestling for Plymouth State University in New Hampshire.  During his time at PSU Dustin earned the award of Rookie of the year was a conference placer and two year wrestling team captain.  Concluding his time at PSU he was selected for an assistant wrestling coach position and strength and conditioning coach.  We here at CORE BJJ are lucky to have him and we welcome him to the team with open arms.