Kickboxing, Brazilian Jiu Jitsu, and Mixed Martial Arts Classes
4 NYC locations: Upper Westside, Midtown, Upper Eastside & Tribeca.
Jarrett Leiker has been a lifelong practitioner of martial arts, starting at age 3 under the instruction of Jill and Bob Leiker. Jarrett is a 16-time professional world champion, including titles in NASKA, WKA, WSKF and NBL. He is also a 3-time SKIL