Pieter was born in Amsterdam, NL, to Hans Kohnstam and Ruth Meerapfel. His career was in chemical sales. Pieter was the former president of JCV, and on the Board of Anne Frank Center, USA. He was a Holocaust survivor and a Holocaust educator. Pieter loved his family, friends, and the JCV community.
Pieter was predeceased by his parents.
He is survived by his wife Susan, daughter Evie (Andy), son David (Tracy), and grandchildren Ben, Adam, and Jack. He is also survived by his brother Tommy and sister Jeanine.
Memorial Contributions may be made to JCV (Jewish Congregation of Venice) or the Anne Frank Center.