Klaus was born in Bilbao (Spain). When he finished school he moved to Vienna to study jazz drums. He studied for three years with Walther Großrubatscher at the Franz Schubert Conservatory, and then with Walter Grassman at the Conservatory of the City of Vienna, which is now the Conservatory of Vienna Private University. In 1995 he graduated with distinction. Afterwards, he completed a course in fundamental harmonic research (4 years) at the University for Music and Performing Arts, Vienna. Today, Klaus lives in Vienna as a freelance musician and songwriter. He has been a permanent member of the Christina Stürme Band since 2003. In February 2016 he was part of a large tour of Germany and Austria and was involved in the recordings for the album Stümer at this time, which was released in 2016.