Gakuji Tozaki is a Ryuei Ryu Black belt, an instructor at Ryukyu Japan Karate-Do, and a multiple time USA national karate team memberCOM. 

Gakuji started karate at the age of 9 years old, and started competitive karate at the age of 11 years old. Nationally, Gakuji has become multiple time AAU and National Karate Federation national champion in both kata and kumite (forms and sparring).
On the international stage, Gakuji represented Team USA at the World Championships and Premier Leagues. In 2021 he achieved a significant milestone of becoming the first ever Kata Premier League Champion, and in 2022, he became the first USA male kata World Games medalist in 32 years. He achieved his peak World Ranking of 3rd place in 2022 as well, becoming one of the most successful karate competitors in the world.

Currently Gakuji teaches the Competition Classes for Kata/Kumite on Tuesday / Saturday



Chris Do was born and raised in San Diego, California.  In 1986, he started karate at the age of five years old.  He joined the City Heights Recreation Center under Arashiro Sensei and Kuniyoshi Sensei.  He received his black belt in 1995 and reached up to the rank of 3rd degree black belt in 2006 in Ryuei Ryu.  He has taught at UCSD from 1997-2007.

Chris Do has competed and medaled in most events such as kata/kumite/kobudo/team kata at several national and international competitions such as Okinawan World Championships, AAU Nationals, USANKF Nationals, AAU Junior Olympics, and Pan American Okinawan Championships..  He has also coached and trained many successful junior and adult champions.

Currently Chris teaches the Monday-Friday Beginner/Novice/Advance Class for Kata / Kobudo / Kumite.

Sandra Beutler


Sandra Beutler has been training karate for 17 years. She received her Shodan (1st degree black belt) for Shito Ryu in 2000 and her Shodan with Ryuei Ryu in 2013. Sandra has competed in many national and international tournaments. Most notably, she competes in Japan every year, always placing top 3 in Kata and/or Kumite. At this time, she is the only American to compete in this event.   

Currently teaching the online zoom class.

respect | discipline | Physical fitness | Teamwork | Leadership
Ryukyu japan karate-do