Career
He was born in Chicago and is the younger brother of William Kooistra. He played four matches.
He was born in Chicago and is the younger brother of William Kooistra. He played four matches.
Kooistra was a member of the American water polo team which finished fifth in the 1956 Olympic tournament. Kooistra was a member of the American water polo team that finished first in the 1959 Pan American Games tournament.