The correct pronunciation of the name Jerzy is in fact "YEH-zhih" (the closest approximation I could make.) The most common nickname for Jerzy is Jurek, which is doubtless what your colleague was referring to.
-- Anonymous User 3/10/2009
I have also seen this used for girls and another spelling I have seen used is Jersy.
-- Anonymous User 10/10/2006
Jerzy Kozinski, 20th century author, is a famous bearer of this name. His novels include "Being There" and "The Painted Bird."