Steffan trained at the Guildhall School of Music and Drama. He is Artistic Associate of the National Youth Theatre and the National Youth Arts Trust, and Co-Artistic Director of Invertigo Theatre Company.
Previous work for Shakespeare’s Globe includes: A Midsummer Night’s Dream (World Tour) and Titus Andronicus.
Theatre includes: Long Story Short (Squint / West Yorkshire Playhouse); A World Elsewhere (Theatre503); Journeying Boys (Barbican); Outside On The Street (Pleasance Edinburgh and Arcola Theatre); The Winslow Boy (Clwyd Theatr Cymru); Saer Doliau / Doll Mender (Finborough Theatre) and I am Not Manuel (Teatre Lliure, Barcelona).
Film includes Casanoira (BFI) and BAFTA-Award nominated Love You, Joseff Hughes.
Television includes: London Spy.