Sensei's (Teachers)

Greg Null Sensei - DojoCho/Chief Instructor 

Greg Null Sensei is a Sandan (3rd degree black belt) Aikikai, recognized by Hombu dojo in Japan. Mr. Null adds to his training through seminars throughout the United States as well as overseas and is a founding member of the Zenshinkai Aikido Association. Mr. Null Sensei began his training under James Jones Sensei at Gyokushinkan dojo in Fort Smith before founding River Valley Aikikai in 2010. Mr. Null has trained in Bulgaria, Okinawa, China and Singapore and routinely travels to Hombu dojo in Japan to train.  He is also certified in Aikido For Law Enforcement - Tactical Applications. Mr. Null also teaches hand-to-hand combat tactics for the Sebastian County Sheriff's Dept. and S.W.A.T. team.  In 2011 he was appointed as the Vice-Chairman of the Zenshinkai Aikido Association.  Mr. Null also sits on the National Teaching Committee for the ZAA.

Steve Rice Sensei - Assistant Instructor

Steve Rice Sensei is a Sandan (3rd degree black belt) Aikikai, recognized by Hombu dojo in Japan.  Mr. Rice has been training in aikido for many years, attaining his shodan (first degree) from Fumio Toyoda Shihan and nidan/sandan under Andrew Sato Sensei.  Mr. Rice is a certified instructor. 

Robert Petty - Assistant Instructor

Mr. Petty is a Shodan (1st degree black belt) Aikikai, recognized by Hombu dojo in Japan.  Robert has assisted in the adult and children's program under the direction of Null Sensei since 2008 and is a certified aikido instructor. 

Garrett Willett - Assistant Instructor

Mr. Willett is a 1st Kyu (brown belt with a stripe) in Aikido.  Garrett has assisted in the children's program under the direction of Null Sensei since 2008 and is a certified aikido instructor.