Production executive Denis O'Sullivan's Hollywood career spans well over two decades, during which he has been associated with the making of over 50 feature films. He started out as a production assistant renowned actor-producer Harvey Keitel, and eventually established himself as an executive producer in the industry.

Notable film credits include the romantic thriller The Tourist (2010), the musical drama Jersey Boys (2014), the war drama Allied (2016), the action-adventure film Tomb Raider (2018) and the biographical drama Bohemian Rhapsody (2018).