JK 1 views today 1 views this weekAmerican sailor and Olympic silver medallist.John KosteckiBiographyListsAlso ViewedListsJohn Kostecki is in following listsBy Field Of WorkNotable American athletesGender:MaleBy Work And/Or CountryNotable American SailorsGender:MaleNotable American AthletesGender:MaleNotable American Yacht racersGender:Male
