Inosanto grew up surrounded by the martial arts world, studying many forms including Jeet Kune Do and Filipino Martial Arts which she learned from her father, Dan Inosanto, a student of Jeet Kune Do founder Bruce Lee, who also was her godfather. She has appeared on the cover of numerous martial arts magazines including Black Belt Magazine, Martial Arts, Inside Karate, Self Defense and Inside Kung Fu. Diana was named Woman of the year by Black Belt Magazine in 2009.