 Buffière had a long career as a basketball coach.As a head coach on the club level, he was a two time FIBA Korać Cup champion (1982, 1983), a six time French League champion (1950, 1952, 1955, 1975, 1977, 1983), and a three time French Cup winner (1953, 1982, 1983).He was also the head coach of the senior French national basketball team, from 1957 to 1964.