Onah’s work has screened at festivals around the world including Berlin, London, Dubai, Los Angeles, Melbourne and Camerimage. In the summer of 2010, he was selected as one of Filmmaker magazine's 25 New Faces of Independent Film. In 2013, he was selected as one of Studio System's 10 Up and Up Feature Directors and Forbes Magazine's 13 African Celebrities To Watch. While at NYU’s graduate film program he completed his first feature as his thesis, The Girl Is in Trouble (2015) with executive Producer Spike Lee, featuring Alicja Bachleda, Wilmer Valderrama, Columbus Short, and Jesse Spencer. Onah was previously set to direct thriller film adaptation Brilliance for Legendary Pictures which David Koepp scripted with Will Smith and Noomi Rapace to star as leads. He most recently completed The Cloverfield Paradox (2018) with Producer J. J. Abrams. He is currently in post-production on Luce featuring Naomi Watts, Octavia Spencer, Tim Roth and Kelvin Harrison Jr.