David Michael Blatt (; born May 22, 1959) is an Israeli-American professional basketball coach. He is currently the head coach of the Cleveland Cavaliers. Blatt played point guard at Princeton University from 1977 to 1981. He played in the Maccabiah Games for the USA national team that won a gold medal in 1981. He then played professional basketball in Israel for nine of the next 12 years. An injury ended his playing career and he began coaching full-time.