Bassist of Wir Sind Helden.
His father is Iranian and his mother is German.
He spent his early childhood in Teheran.
He studied medicine at the University Medical Center Hamburg-Eppendorf and has been a fully qualified medical doctor since 2001.
It is irritating to which extent Klaas Heufer-Umlauf is not interested in football.
[2014; comment accompanying a picture of Klaas Heufer-Umlauf who had a cold at the time, sleeping on a couch in a jumpsuit with his hood pulled up] Tonight [Gloria are playing a concert] in Bochum. Klaas is particularly ready!