Born in Juniville, Ardennes, Boizard, who grew up in a small village in the Ardennes, had piano lessons before studying at the Conservatoire de Paris with Yves Nat.
After winning a second prize in 1959, he won the "Premier Grand Prix" in 1960 with the Cantate du Printemps in the competition for the Prix de Rome.
After a stay at the Villa Medici in Rome from 1961 to 1964, he returned to the Conservatoire de Paris, where he worked as professor for Solfège.
A few years later he also became director of the competitions of the "Union Française des Artistes et Musiciens" (U.F.A.M).
Boizard composed a number of chamber music works, as well as piano arrangements for the UCAM competitions and music pedagogical works.