For 33 years, Denis worked for the BBC, before coming to join IofC UK in March 2024. As a Senior Producer in BBC Religion and Ethics, Denis made award-winning programmes for Radios 2, 3 and 4, BBC One and online. In 2002 Denis moved into senior management as Network Manager for Radio 4, where his remit ranged across every aspect of network policy and practice. In 2015, in addition to his role at Radio 4, Denis took on similar responsibilities for BBC Radio 3 and the Proms before departing in the summer of 2023.