High Quality Content by WIKIPEDIA articles! Ernest "Ernie" Grunfeld (born April 24, 1955) is the General Manager of the Washington Wizards. He was also once a professional basketball player. He served as general manager of the New York Knicks of the National Basketball Association from 1989 to 1999, and as the Bucks` general manager from 1999–2003, at which time he became the President of Basketball Operations for the Washington Wizards.