Brandt Attema is professor of trombone at the Hochschule für Musik in Karlsruhe, Germany. As well, he is leading the bass trombone classes of the Codarts Conservatory in Rotterdam and the Royal Conservatory in The Hague together with Ben van Dijk. He is a steady member of the Netherlands Wind Ensemble, the New Trombone Collective, and the international trombone quartet Slide Monsters. As a member of the Trombone Collective, he is partly responsible for the bi-annual festival Slide Factory. In 2008 Brandt and harpist Astrid Haring were the first worldwide to form a bass trombone-harp duo. Since then more than 15 compositions were especially composed for their duo and they perform concerts all over the world. As a soloist and teacher, he is a regular guest of international brass festivals. Between 1999 and 2019 he was bass trombonist of the Radio Philharmonic Orchestra of the Netherlands.