274 Hunsberger Lane, Harleysville, PA 19438




April 17, 2009, Rosendo Diaz was invited to be a guest presenter at the Dr. Drill Instructor Fitness Boot Camp.  Rosendo demonstrated some real-world self defense measures as well as discussed his philosophies on how best to protect yourself.


We would like to thank Dr. Drill, staff and members for their willingness and eagerness in learning about Gracie Jiu-Jitsu and it’s self defense aspects.


For more information on the Dr. Drill Instructor fitness boot camps, please visit www.drdrillinstructor.com