Tiarnan's early years were spent between both the UK and Ireland, before he moved to London in 2011 to start his career as a freelance Writer and Director working in the film and television industries.
His wide and varied experiences as a both a writer and director includes work on features, shorts, music videos, promos and online content.
Tiarnan has worked with many prominent actors and comedians including Sir Ian Mckellan, Ray Winstone, Paul Reiser, Ben Whishaw, Aiden Gillen, Omid Djalili, Jack Dee, Eddie Izzard, and Michael McIntyre amongst others.
In March 2019 Tiarnan was selected to join the Director's UK "Inspire" scheme and will be now be mentored by Director Jim O'Hanlon (Catastrophe & The Punisher).
LAID TO REST
Dark Comedy short film, starring Pat Laffan (Father Ted), Aidan Crowe (Game of Thrones) and Ciaran Bermingham (The Young Offenders). The film premiered at the Fastnet Film Festival in Schull, Ireland in May 2019.
THE AMAZING WORLD
Comedy TV Pilot starring Omid Djalili (Gladiator) and Paul Reiser (Whiplash) following the story of a depressed dog who ventures out to explore the world following the advice of his therapist.
THE FIFTH DOMAIN
Writer of this eight-part drama series examining the future of "Smart" technology and its potential impact on the future of the human race. The series was optioned by Michelle Stein and Escape Films in 2017.
OMID DJALILI LIVE
March 2017 & 2015
Director of the live multi-camera recordings of comedian Omid Djalili performing his "Iranalamadingdong" and "Schmuck for the Night" tours at the Hammersmith Apollo, London.
Comedy TV Pilot starring Adrian Dunbar (Line of Duty) and comedian Owen O'Neill (Michael Collins) following the story of an Irish stoner who believes he has uncovered the truth behind the JFK assassination.
Comedy TV Pilot starring comedians Omid Djalili (Mamma Mia 2), Owen O'Neill (Michael Collins) and Terry Alderton (Eastenders) following the ups and downs of being a stand-up comedians.
TAKE THE LEAD
Comedy TV Pilot starring Shide Boss and Jan Anderson (Human Traffic) following the lifestyle of a Premier League Footballer and his entourage as they struggle to cope their friend's new found fame.
ENGLAND'S GOING OUT
Music Video for the official FA anthem for the 2014 FIFA Football World Cup. Song by comedian Omid Djalili and featuring Ray Winstone, Jack Dee, Eddie Izzard, Michael McIntyre and Sir Trevor McDonald.
Award-nominated Dark comedy short film starring Anna Astrom (Midsommer and Vikings) and Penelope Shipley following the story of a young woman who mistakenly believes she has slept with a wanted terrorist.
Dark Comedy feature film starring Jack Lowe, Andrée Bernard (The Crying Game) and Stuart McGugan (Dad's Army) following the story of an identity thief who gets in over his head.
Improvised comedy web-series following the lives of five aspiring actors. The series also starred comedian Mark Watson and was screened online as part of Comic Relief 2013.
WHEN EAGLES FALL
Dark Comedy Short film starring Charlie Blackwood (Matriarch) following the story of a couple who are trying to spice up their sex life by finally revealing their darkest fantasies.
Documentary following the story of comedy series "The Academy", starring Sir Ian McKellan (Lord of The Rings) and Jonathan Hyde (Titanic) as they attempt to save the fictional Clapham Academy of Creative Arts, aka. CACA.
Mockumentary short film following the story of a man addicted to the internet craze of "Photobombing" and how his dedication to ruining people's photos is slowly tearing his life apart.