During his competitive career, Demetrios “Mitro” Valsamis was a two-time Under-19 U.S. Foil National Champion (1979, 1980), the Cadet Sabre National Champion(1976, 1977), and the 1983 NCAA Foil Champion for NYU.

Prior to joining BBFC in 2016, Mitro started his coaching career in 2003 at the Cobra Fencing Club, where his student have won many regional and national medals.