Born in Hagen, West Germany, Günther began his professional career with German side Phoenix Hagen, then a part of the German ProA (the second tier of German basketball). Günther had a highly successful 2007–08 season for Hagen, averaging 14.5 points and 2.4 assists per game.[2] Following the season, he was named the league's Most Improved Player and was voted to the Eurobasket.com All-ProA Second Team.[3]
On the heels of his successful season with Hagen, Günther joined Basketball Bundesliga (BBL) side ratiopharm Ulm for the 2008–09 season, helping the team to a fifth place league finish. In the 2009–10 season, he averaged 6.6 points and 2.5 assists for Ulm, although the team struggled to a 13th-place finish in the league.[4]
On 9 January 2016, Günther participated in his sixth BBL All-Star game and he was named the BBL All-Star Game MVP.[5] Günther retired in May 2022.[6]
Günther's first major tournament as a member of the German senior national team was the 2010 FIBA World Championship in Turkey. He won a total of 65 caps for Germany's national team.[7]
Personal
His brother Jasper Günther has also been a successful basketball player.[8]