Morris Doktor 先生

Morris Doktor Sensei

Yondan (4th degree black belt)

Morris Docktor has been practicing Aikido since 1992 at the Princeton YWCA under the instruction of Dan McDougall Sensei 7th dan, and Warren Good Sensei 4th dan. He also trains with Shuji Maruyama Sensei in seminars and camps several times every year.

Morris is a painter/sculptor/muralist. He has worked in the tri-state area for the past 35 years.


"It is certainly an honor and a pleasure to pass down the art of Kokikai Aikido to the wonderfully enthusiastic students of Princeton University." - Moris先生

Irwin Cariaga 先生

Irwin Cariaga Sensei

Sandan (3rd degree black belt)

Initially introduced to Kokikai Aikido in Chicago 10 years earlier, Irwin Cariaga Sensei began his dedicated practice of this martial art in 2004 with Dan McDougall Sensei, 7th dan, and Mame Reynolds Sensei, 4th dan, at the Princeton YWCA. Several times each year, he also trains with Kokikai Aikido’s founder, Shuji Maruyama Sensei, in camps and senior seminars.

As an instructor at the Princeton University dojo, Irwin Sensei is committed to helping his students grow in this art and enjoy it as much as he has.

Yu Oen 先生

Yu Oen Sensei

Sandan (3rd degree black belt)

Yu Oen has been practicing Kokikai Aikido since 2004 under Dan McDougall Sensei, 7th dan, in addition to studying a few times a year under Shuji Maruyama Sensei. He has also studied 3 other martial arts prior to Kokikai Aikido. He's a Trustee on the Board of Aikido Kokikai Federation USA.

He believes in the lifelong learning of martial arts and self-defense and applying Aikido to daily life.