he continued his career on the sidelines in the nba, joining the boston celtics in 1990 and serving as an assistant from 1995 to 1997, and from 1997 to 2003 an assistant for the philadelphia 76ers under head coach larry brown. in 2003–04, kuester followed brown to the detroit pistons where he also served as an assistant. in 2004–05 kuester was an assistant with the new jersey nets, and returned to the 76ers once more in 2005–06. in july 2006, kuester was named as an assistant coach for the orlando magic.