Grandmaster Jedan O. Figueroa, from Puerto Rico, has been in the martial arts since 1960. His first training in Ju-jitsu was Justu Miyama Ryu Ju under Sensei Miguel Lozada in Puerto Rico.
In 1985, he founded the Jedan Jitsu Ryu System and was also elected Representative Director of the World Council of Ju Jitsu Organisation for Puerto Rico. In 1991, he was selected
as Teacher of the Year for Excellence in San Juan, Puerto Rico; In the same year he founded the Puerto Rico Ju Jitsu Association. In 1997, he hosted a television program of Ju Jitsu
techniques in a national channel, in Puerto Rico. In 1999 he received a doctorate in philosophy of martial arts, and was inducted into the World Martial Arts Hall of Fame. Grandmaster
Figueroa, was also introduced to the American Federation of Martial Arts Hall of Fame in Atlanta, GA in 2000. In 2001, he was inducted into the International Martial Arts Hall of Fame,
World householder Sokeship Council.