Oliver Siefert studied trombone with Professor Branimir Slokar in Trossingen and Berne. In addition, he also studied with Professor Lutz Lutz Köhler, Berlin and Dr. Edward Tarr, Basel.

Oliver was a member of the “boys German Philharmonic Concert Halls” and won 1988 the German university competition as well as 1992 the international music competition “Prager spring”.

Oliver was a member of the Jungen Deutschen Philharmonie. He won the 1988 Deutschen Hochschulwettbewerb competition and the 1992 Prague Spring Competition.

Beside numerous solo concerts, he has also recorded a CD as a member of Blechbläser des RSO Frankfurt. He is also a founding member of the Datura Trombone Quartet. Since 1997, Oliver has performed many duo concerts with Harfenistin Maria Stange.

Oliver has served as director/conductor of the trombone class at the college of music in Basel since 1999. As October 2003 Oliver Siefert was appointed as a professor for trombone to the national university for music and representing art in Frankfurt/Main.