Shaun Lowthian is an improviser, actor and Writers’ Guild Award-nominated comedy writer based in London. An improviser of 10 years performing experience, Shaun performs long-form improv comedy with Do Not Adjust Your Stage, two-person act The Homunculus and The Wilsons - a Free Association House Team, where he also coaches fellow house team My Brother, José. Shaun can also been seen in hit theatre-meets-improv show Uncle Glen’s Menagerie.

Shaun has performed internationally at the Upright Citizens Brigade Theatre, Magnet Theater and People's Improv Theater and Union Hall in New York. In Europe, he has performed at festivals in Barcelona, Copenhagen, Amsterdam, Tallinn, Dublin, Green Man Festival, the Edinburgh Fringe and at the COP21 Climate Change Conference in Paris.

In 2018, Shaun's comedy short Spokke, co-written by Tim Grewcock and directed by Jim Archer, was released online, winning the Short Screenplay Competition at the 2018 London Film Awards, Jury Award at Sunday Shorts Film Festival, and receiving a nomination for Best Online Comedy at the 2019 Writers’ Guild of Great Britain Awards. In 2017, Shaun appeared in Michael McIntyre's Big Show (BBC One) and No Gifts (BBC Three Quickies). He also appeared in a full season of 2014's globally interactive show Off The Top (EpicLloyd/YouTubeSpace LA) and is co-creator of character comedy podcast Fact Up.

Shaun's other writing credits include Newsjack (BBC Radio 4), Newsjack Unplugged (BBC Studios), comedy play Radio: Now In Technicolour (Winner: Forever Manchester Award) and sketch shows Dark Matters & What On Earth Is A Runcible Spoon?