Stefan Kielbasiewicz grew up in the United States and France before moving to Poland to work at C.D. Projekt RED, where he was an adaptation specialist and assistant voiceover director for Cyberpunk 2077 and Cyberpunk 2077: Phantom Liberty, among other projects. He holds a BA in English Literature from the University of York and an MA in Creative Writing from Royal Holloway in London, where he won the New Poet's Prize and published his first poetry pamphlet. He lives in Warsaw.