Ilja Schierbaum is a German actor, voice artist, and musician born on October 23, 1976, in Berlin. His career as a voice actor is built upon a foundation of extensive training and diverse performance experience. He received early training as a speaker at the Rundfunk der DDR and later completed a formal acting education at the Hochschule für Musik und Theater Leipzig from 1998 to 2002. In addition to his work in voice acting, Schierbaum has had a parallel career in music, performing as a singer-songwriter and as a member of the band Schrottfisch, with whom he won the John Lennon Talent Award and the Rio Reiser Songpreis. This background in both theater and music contributes to his work in voiceover and synchronization.

In the field of animation and anime dubbing, Schierbaum is recognized for providing the German voice for several notable characters. He is the German voice of Estarossa in the anime series The Seven Deadly Sins, lending his voice to the character in both The Seven Deadly Sins: Revival of The Commandments and The Seven Deadly Sins: Imperial Wrath of The Gods. He also voiced Kazuki Minase in the series A.I.C.O. -Incarnation-. His work in the genre extends to the series Ingress, where he voiced the characters Antoine Smith and Tegawa.

Beyond his specific work in anime, Schierbaum has a substantial and varied career in German dubbing, with over 190 voice roles to his name. He frequently provides the German voice for characters in a wide range of international films and television series. One notable example of recurring collaboration in his dubbing work is for the long-running Italian series Don Matteo, where he has voiced multiple characters across various seasons. He also provided the German voice for the character Cozzolino, played by Yari Gugliucci, in multiple episodes of the series Ein Koch für alle Fälle.