Born July 12, 1969 Geert Hammink played in the NBA mainly as a Centre during their playing career, season(s): 1994-1996. Geert Hendrik Hammink is a retired Dutch professional basketball player and current coach. He is the current head coach of ZZ Leiden. He was selected by the Orlando Magic in the first round of the 1993 NBA Draft. Hammink played for the Magic and had a small stint with the Golden State Warriors in 3 NBA seasons.