OUR INSTRUCTORS
Our Coaches are experts in their respective martial arts and are here to help you achieve your goals.

Robert Drysdale
Head Coach
Robert Lewis Drysdale is an American Brazilian Jiu-Jitsu 4th degree black belt under Léo Vieira, a retired mixed martial artist.

Marcelo Nunes
BJJ COACH
Marcelo is the Brazilian Jiu Jitsu Coach for the advanced night classes. Monday, Tuesday, Wednesday and Thursday at 6:30.

Allan Antoniewicz
Judo Coach
Superstrong former athlete with numerous fitness and health awards with 7 published books on Crossfit lifestyle.

Sonny Sebastian
BJJ Coach
Originally from the Philippines, Sonny Sebastian is one of Robert Drysdale’s oldest students in the United States. He began training in 2010 and has since earned all his belts under Drysdale. Six of Sonny’s ten years training Brazilian Jiu Jitsu have been spent as a Coach.

Ken Hahn
Striking
Ken began his Brazilian Jiu Jitsu journey back in 2007, initially training exclusively without the gi however after finding a new mentor in Robert Drysdale in 2011, Ken expanded his BJJ and Martial Arts capabilities and is now the Head Striking Coach at Zenith.

Shawn Johnson
Striking and Wrestling Coach
Shawn started training No-Gi Jiu-Jitsu at age 15. Shawn joined Zenith 10 years ago and has become 2015 IBJJF Pan American runner up, multiple 1st place NAGA Grappling light feather and feather weight champion, and 2019 NAGA Expert Division Light Featherweight Champion.

Lehua Sodaria
BJJ ASSISTANT
Bio Coming Soon.

Shayna McCallum
Judo Coach
Bio Coming Soon.
Our Classes
No matter your goals, we have programs to meet your needs.

Brazilian Jiu Jitsu
Robert Drysdale
Invite Only
MMA
Robert Drysdale
Women's BJJ
Katharine Barnes
Kids BJJ
Max Rohskopf
Striking
Ken Hahn