Grand Master David Ducay Co-Founder of KaJuKenBo–Escrima
His first instructions in Filipino Martial Arts began in the early 1980s in the art of Kempo and Kali from the late Master Patrick Salentes, after he seek full time training with SGM Emil Bautista until he received his Black Belt, from there he learned Doce Pares Eskrima – Eskrido from the late SGM Ciriaco “Cacoy” Canete, then a Largo Mano family art called Sayas-Lastra Arnis under Master Eddie Lastra. David was employed with Chevron Corporation where he and a close friend opened up a Martial Arts training facility called CHO in San Ramon, Ca., to train Corporate employees the KaJuKenBo / Filipino martial art, also taught at the SBC / AT&T, teaching employees at their facility. He had the opportunity to study through classes / seminars under several Masters / instructors in empty hands and the arts of Kali, Arnis and Eskrima here on the West Coast of the United States. In his search, experience gained for the weaponry arts and KaJuKenBo, he was able to help develop the KaJuKenBo-Escrima System along with SGM Emil Bautista (empty hand) and SGM Max Pallen.
Sifu Patrick Ryan - 3rd Degree Black Belt
Sifu Patrick began training with Grand Master Woody Sims in 2007 while attending the California Maritime Academy. He trained regularly at the dojo while juggling his studies and his duties within the Corps of Cadets. In November of 2010, he earned his black belt. He graduated college and returned to San Diego where he began teaching Kajukenbo. In 2014 he returned to Vallejo and has been teaching under GM Sims when he is not out working on the ocean.
Sibak BJ Knowles - 1st Degree Black Belt
Sibak BJ began training with GM Sims in 1990 up through blue belt. In 1994, he joined the Army and left California. He trained in Tae Kwon Do in Korea for about six months before returning stateside. He trained with (then) Sigung Walt Andrae at Red Dragon U.S. karate in Martinez, Georgia up through brown belt. In 1998, he earned his black belt (1st deg) under Sibak Ken Hale and Sibak Ken Hudson. He has recently returned to the martial arts at the beckoning of GM Sims, who is now training Sibak BJ's children.
Sihing Herb Lane - Student Blackbelt
Sihing Herb is one of GM Sims's longest-standing students, as well as oldest friends. He has been training with GM Sims since the late 1980s, and has earned his black belt in winter of 2017.