Professor Rowdy Hall & Professor Margarita Jimenez are the Chief Instructors of Seikishin Dojo, located in Morgan Hill, California.

Professor Hall has been a student of the Martial Arts since 1964. On November 13th, 2010, he was recently awarded the title of Professor, by the Kilohana Martial Arts Association. On July 30th, 2005 Professor Hall was inducted into the United States Martial Arts Hall of Fame. On January 1st, 2000, Professor Hall along with Professor Margarita Jimenez, Co-Found Koshiden - Ryu Jujutsu,

Professor Hall holds ranks in American Kenpo, Kodokai Daito-Ryu Aikijujutsu, Hakko-Ryu Jujutsu, Seibukan Jujutsu, Aikido, Shinkendo & Toyama –Ryu Batto-Jutsu. He has also trained in a variety of martial art systems including, Judo, Enshin-Itto-Ryu Iaido, Kokodo Kyu Shin Ryu Jujutsu, Chinese Bok-Fu, Boxing & Inayan Eskrima.

Professor Hall is heavily involved in the healing art. He owns and operates Restoration Massage Therapy Center in Morgan Hill, Ca where he has two offices. He is the Director of Academics for the School of Kilohana Massage & Healing Arts, where Professor Okazaki method of Restoration Massage is taught.

He holds Certificates in both the Basic & Advance levels of Seifukujitsu as taught by Professor Muro. Acupressure Points (Koho Shiatsu) as taught by Shodai Soke Yasuhiro Irie. He is a Graduate of the National Academy of Sports Medicine (Performance Enhancement & Corrective Exercise Specialist). De Anza College Sports Massage program, taught by Dr. Justin Brink, Certified Kineso Taping Practioner, and completed the Level 1 course in Selective Muscle Function Assessment. Professor Hall continues his education in Therapeutic & Rehabilitation Massage.

Professor Hall is a Retired Police Officer. He is a graduate of the FBI Swat School, San Jose Police Merge Handgun School, Gun sight advance certification courses in pistol, carbine rifle, and Shotgun. He has experience in undercover narcotics, narcotic enforcement, high risk entries, and dignitary protection. He is a Tactical Defensive Instructor both in armed and unarmed defense. He has his advance instructor certification in the Koga method, FBI tactical defense, & Krav Maga. Prior to joining law enforcement, Professor Hall served in the United States Army’s 1st/75th Airborne Rangers, then later joined the 10th Special Forces Group.