Cynthia Omatsu, commonly known as Cindy Omatsu, is a Japanese-American black belt in Brazilian jiu jitsu under Rigan Machado and Leka Vieira, best known as the first female grappler outside of Brazil to have achieved the rank of black belt in this martial art (2002), while also being the first woman to earn the grade from another woman in the sport. Omatsu gained notoriety in the martial arts circuit as an interviewer for Grapple TV during the early/mid 2000's, co-hosting the online show with a fellow teammate Felicia Oh. Lineage 1: Mitsuyo Maeda > Carlos Gracie Sr. > Robson Gracie > Aloisio Silva > Leka Vieira > Cindy Omatsu Lineage 2: Mitsuyo Maeda > Carlos Gracie Sr. > Carlos Gracie Junior > Rigan Machado > Cindy Omatsu