At the 2023 Pan American Games, he won gold as a member of the mixed eight competition.

Born January 28, 1997, Couwenhoven was raised in Parkton, Maryland.

[1] Couwenhoven rowed with the University of Maryland, Baltimore County.

The next two years, he won the single sculls at the American Collegiate Rowing Association National Championships, as well as at the 2019 Dad Vail Regatta.

[1] In 2015, Couwenhoven competed at the Canadian Henley, where he won the under-19 single sculls.