Karl comes from a background in studio engineering, where as a teenager he trained in both digital and tape production, and he has been heavily involved writing and producing a number of platinum selling musical projects over the years. His academic background includes a PhD in Ancient Philosophy from Trinity College Cambridge.

Karl’s soundtrack to the Black Hands series (prod. Warner Bros, series producer Robin Scholes) won Best Original Score in a Series at the APRA Screen Music Awards 2021, and selections from it have been performed in concert by the Kulios String Trio. His long-form work has aired on BBC (Tatau), Netflix (The Casketeers), and Seven Network (800 Words).

Together with Larsen Winiata Tito-Taylor and Ben Tawhiti he has worked on Nova Paul’s experimental short films that have screened at the Pompidou Center and Sundance Film Festival. Karl is the son of a filmmaker and a writer, and is well known in Aotearoa New Zealand as a thoughtful collaborator and passionate story-teller.