Ondrej is an independent director, screenwriter and producer. He closely collaborates with Brainz Studios independent creative group. He worked on his first feature film and VR project Darkening from 2019 to 2022. The world premiere of Darkening was at the Venice Film Festival in 2022 and later it was nominated for the Czech Lion Award in the animated movie category. His new project Fresh Memories: The Look premiered at South by Southwest festival in 2023. Since 2014 he has worked as an independent curator for multiple Czech film festivals. He curates VR movies categories at Anifilm, Letní filmová škola, and Zlín film fest festivals.