Under his tutelage, Shaffer has produced 13 NCAA All-Americans, two Southeastern Conference champions and an SEC Diver of the Year.

While at Minnesota, he was named Big Ten Diving Coach of the Year three times - twice on the women's side and once for the men's team.

Shaffer served as the assistant competition manager during the 1996 Olympic Games in Atlanta and was the head diving coach at the High Performance Center in Sheffield, England.

There, he coached five Olympians on the Lottery Funded World Class Performance Program.

An Olympic Trials finalist in 1984 and 1988, he retired from competition in 1988 and moved into the coaching ranks.