This art is taught by Master Jerry Dehart whom started NinJutsu in the early 1990's with Sensei Tim Ross . 
Mr. Yarbrough came later in the early 2003 and earned black belt in 2018 . Ryan enjoyed the art and the family time spent but never taught this art . 

American Ninjutsu was founded by one of the Ninjutsu pioneers Robert Bussey . A black belt Master rank in Karate that traveled to Korea and lived there for a year earning a black belt I. hapkido and traveled to Japan earning black belts in NinJutsu  and brought the art back to the USA . 
He earned the raptutation of the king of combat with top talented students of self defense and some that made it to the early days of UFC days . 
Ryan had the honor of training under Bussey two students like Master Ed Redmond and Yvonne Falgout of Texas . 
Ryan started American Ninjutsu under Sensei Tim Ross and 3rd Dan in the art and in 2018 Ryan earned his Sho Dan black belt .

My nephew Cody Campbell with Sensei Tim Ross 2003

Sensei Tim Ross putting his sun in a rear naked choke American Ninjustu 

Coach Rhino earned his black belt in American Ninjutsu in 2018 

Rip Sensei Frank Ross