Paul Frank Sensei Paul Frank Sensei is the chief instructor at the Traditional Japanese Sword Arts Dojo. He has studied martial arts since 1982. He has attained the rank of 3rd Dan in Aikido and holds rank in Karate and Tae Kwon Do and has also studied Iai-Do. In 2005, Sugawara Sensei named him as an official Katori Shinto-ryu teacher and granted him a Kyoshi (teacher's) License. His studies in the healing arts include a Registered Nurse degree in 1996 and Doctor of Chiropractic degree in 2000. He is married and has two children.