With over a decade of experience working across some of the biggest feature films and television shows, his credits include THE OLD GUARD 2 (Netflix), CRAWL (Paramount Pictures), SLINGSHOT, STOCKHOLM BLOODBATH, BETRAYAL, iBOY (Netflix), LOOKING UP and WARNING SHOT, among others.

Steffen has also worked closely with top composers Hans Zimmer and Lorne Balfe among others, providing additional music for a diverse range of titles, including MISSION: IMPOSSIBLE - FALLOUT and THE FINAL RECKONING, TOP GUN: MAVERICK, TWISTERS, ALIEN: ROMULUS, Marvel's BLACK WIDOW, BAD BOYS FOR LIFE, AD ASTRA, THE LEGO BATMAN MOVIE, as well as high-profile TV series like THE CROWN, HUNTERS and HIS DARK MATERIALS.