Greer is an award-winning writer born and bred in Northern Ireland. His debut feature film, "Butterfly Kisses", premiered at the 2017 Berlin Film Festival where it won the Crystal Bear for Best Film and has gone on to win another 10 awards and receive a further 12 nominations internationally. His second feature film, “A Woman At Night”, has completed production and will be released later this year. His third feature, “Dogboy”, is to be directed by BAFTA-Winner Jaco Van Dormael (“Mr. Nobody” starring Jarrod Leto / Diane Kruger), and has Robert Sheehan, Sofia Boutella and Ron Perlman attached to star. Greer has been commissioned by BBC Radio 3, BBC Sounds and Amazon Audible for three audio dramas.