Black Belt Leadership Academy Greenfield

Founded in 2003 by Sensei Mark Weinberg, Black Belt Leadership Academy helps students of all ages become stronger, more confident, and more disciplined — mentally, physically, and emotionally. Whether you’re 4 or 40+, our Milwaukee-area martial arts programs focus on personal growth through karate, self-defense, and supportive instruction. We welcome all skill levels and physical abilities, offering personalized challenges and progress markers in every class.