Career
During his career Groenendijk played for ADO Den Haag, Roda JC, AFC Ajax, Manchester City F.C., Sparta Rotterdam, and Football Club Utrecht. Groenendijk has been appointed assistant manager of Willem II for the 2008-2009 season. He was previously a manager of Jong Ajax and amateur side vv Katwijk.
He became manager of Willem II in February 2009, succeeding Andries Jonker who became director of football for Willem World War II On 19 February 2010 Willem II decided to fire coach Fons.
