Koller started his career in the early 1980s as the drummer of Jasná Páka and has also played in various other bands, including Žentour, Pusa, and Blue Effect. He founded the popular Czech group Lucie in 1985 and remained there until 2005, when he departed, due to disagreements with fellow members P.B.CH. and Robert Kodym. The group reunited in 2012. In 2008, he was temporarily a touring member of Chinaski, and he leads his own group, Kollerband. Koller has produced music for Miro Žbirka, Koistinen, Alice, Plexis, Walk Choc Ice, Oskar Petr, Lucie Bílá, and many others. In 2016, he produced the album Srdeční příběh for Michal Ambrož, longtime leader of the bands Jasná Páka and Hudba Praha. In 2019, he supervised the production of the album Hudba Praha & Michal Ambrož.[4