Grzegorz Stellak
Grzegorz Józef Stellak is a Polish rower who competed in the 1972 Summer Olympics, in the 1976 Summer Olympics, and in the 1980 Summer Olympics.
He was born in Płock.
In 1972 he was a crew member of the Polish boat which finished sixth in the eight event.
Four years later he finished sixth with the Polish boat in the 1976 coxed pair competition.
At the 1980 Games he was part of the Polish boat which won the bronze medal in the coxed fours contest. In the same Olympics he also competed with the Polish team in the 1980 eight event and finished ninth.
