Nguyễn Văn Chiếu Nguyễn Văn Chiếu Nguyễn Văn Chiếu (born 4 November 1949 in Sài Gòn, Vietnam) is a Vietnamese grand master of martial arts. He has been the Chief of Vovinam Council since 27 September 2015. His father is Nguyễn Văn Ba (1926-2014). Nguyễn Văn Chiếu started practicing Vovinam under the guidance of master Lê Sáng in 1965, when he was 16 years old. In 1967, after 3 years of hard practice, he got 3-dan black belt and became a master of martial arts. In 1969, he started to teach Vovinam at Quy Nhơn city in Bình Định province. Bình Định is
Japanese martial arts rule of thumb, the primary purpose of a "koryū" martial art was for use in war. The most extreme example of a "koryū" school is one that preserves its traditional, and often ancient, martial practices even in the absence of continuing wars in which to test them. Other "koryū" schools may have made modifications to their practices that reflect the passage of time (which may or may not have resulted in the loss of ""koryū"" status in the eyes of its peers). This is as opposed to "modern" martial arts, whose primary focus is generally upon the self-improvement (mental, physical,