Piet Jan van der Giessen
Pieter Jan "Piet Jan" van der Giessen was a sailor from the Netherlands, who represented his native country as at the 1952 Summer Olympics in Helsinki. Piet Jan, as crew member on the Dutch 5.5 Metre De Ruyter, took the 13th place with helmsman Wim de Vries Lentsch and fellow crew member Flip Keegstra.In his professional life Van der Giessen was one of the owners and founder of the shipyard Van der Giessen de Noord.
