Bujinkan Green Bay Dojo is a Japanese martial arts school offering self-defense training rooted in nine traditional martial schools, including samurai arts and ninjutsu. The dojo emphasizes practical skills alongside discipline, confidence, personal growth, and the study of time-honored warrior philosophies. Programs include youth classes for ages 8 to 12 in Sturgeon Bay and Menasha, as well as regular classes for ages 13 through adult, where men, women, and children train together.