ZENITH AUTHENTIC BRAZILLIAN JIU-JITSU
PROFESSOR ROBERT DRYSDALE
CO-FOUNDER OF ZENITH ASSOCIATION
Robert Drysdale is a distinguished American Brazilian Jiu-Jitsu practitioner, holding a 5th degree black belt under Léo Vieira. As a retired undefeated mixed martial artist with a perfect record of 7 wins, he has made significant contributions to the sport through his travels, competitions, and teachings worldwide.
He operates his own academy, Drysdale Jiu-Jitsu, in Las Vegas, NV, where he shares his expertise. Recognized for his remarkable achievements, including victories at the ADCC World Championships and IBJJF Gi World Championships, he has earned titles such “America’s jiu-jitsu superhero” and “the most accomplished American Grappler of his generation.”
Professor Drysdale frequently visits Authentic Brazilian Jiu-Jitsu to conduct seminars, supervise belt promotions, and participate in team events. His presence on the mats provides our students with the invaluable opportunity to learn from his decades of experience in the sport.
PROFESSOR SETH RODENBAUGH
CO-OWNER & HEAD COACH
Seth Rodenbaugh is a dedicated martial artist with a wealth experience spanning his entire lifetime. A first-degree black belt in Brazilian Jiu-Jitsu, he began training 25 years ago under the esteemed Grand Master Relson Gracie in Hawaii. In addition to his skills in Jiu-Jitsu, Seth holds a black in Taekwondo and is a certified USA Boxing coach.
With extensive experience competing in jiu-jitsu, professional boxing, and as a former MMA title holder, he is committed to helping students reach their full potential. Whether you are a hobbyist or a competitor aiming for success at the highest level, Professor Seth will provide the guidance and expertise necessary to elevate your training.
Seth is a retired US Army sniper dedicated to making a positive impact in his community. Through martial arts, he empowers children, veterans, and law enforcement officers by equipping them with valuable skills and confidence. Seth’s passion helps others discover their strength and resilience.
PROFESSOR JOE FISHBURN
INSTRUCTOR/KIDS COACH
Joe Fishburn is a first degree black belt in Brazilian Jiu-Jitsu under Professor Robert Drysdale, with over 15 years of experience. Before BJJ, he boxed for the Army and wrestled, later coaching at the high school level. His diverse combat sports background makes him a well-rounded martial artist.
Known for his creative open guard game, Joe thrives in inverted positions, setting up submissions with fluid movement and strategy. His relaxed approach allows him to capitalize on his opponent’s mistakes, making him an exciting and unpredictable grappler.
Passionate about teaching, Joe brings a fun, loose style to his students and works especially well with kids. His coaching philosophy emphasizes both technical skill and enjoyment, making him a valued mentor in the BJJ community.