Bill has been freediving since 1962 and competiting since 1964 when he won the individual and team Junior National Championships.

In 1970 he was the Individual National Champion and has been on the winning National Championship Team in 1970, 1971, 1973, 1974, 1975, 1976, 9177, 1978, 1979, 1980, 1982, 1985, 1989, 1991, 1997 and 1998.

Bill has represented the United States 10 times in World Championships and has placed 4th, 6th, 10th, 11th, and 12th individually with the USA Team being second twice and third once.

Bill holds the world record for a World Tournament shooting 251 fish in Peru in 1975 and shooting the two largest fish in Brazil in 1981.

He is the current National Skindiving Director for the Underwater Society of America and has held this post since 1998.