David Grennan has worked in the Irish film industry for the past 20 years, starting as camera assistant on numerous TV dramas and feature films such as Michael Collins and Angela’s Ashes. His Director of photography credits include Eamon (winner of the Independent Camera Award, 2010 Karlovy Film Festival); Kisses (dir. Lance Daly); Between the Canals; What Richard Did (dir. Lenny Abrahamson, nominated for an IFTA Director of Photography Award); and TV series Ripper Street.

David also shot Season 3 of the critically acclaimed TV drama series The Fall, directed by Allan Cubitt and starring Gillian Anderson and Jamie Dornan. His recent credits include the Black and White TV series "Grace Harte" and the directorial debut for the actor Brendan Gleeson called "Psychic".