Daniel Theis (born April 4, 1992) is a German professional basketball player for the Boston Celtics of the National Basketball Association (NBA).Born in Salzgitter, Theis went through the Braunschweig youth system. He made his debut in the German top-tier level league, the Basketball Bundesliga, during the 2010–11 season. But he primarily gained playing time with the club’s development squad, where he played alongside his older brother, Frank, from 2010 to 2012. He earned the Eurobasket.com website's All-2.Bundesliga Pro B (German Third Division) Most Improved Player of the Year honors in 2011. In Braunschweig, Theis was also a teammate of Dennis Schröder. Wikipedia
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