Gillian Müller was born and raised in Toronto and attended Ryerson’s Film Studies Program, Vancouver Film School's Writing for Film and Television, and Second City's Sketch Writing and Improv program. She spent the better part of a decade as an Assistant Director with the DGC. Gillian draws on her multi-ethnic West Indian family and her intimate knowledge of production to create character-driven content for film, television and digital platforms.
Her short film, “If a Body” was acquired by Movieola and screened at the New York International Film Festival. In 2013, Gillian developed a pilot for Adam Beach's company Pipestone Pictures, and was selected by Random Bench co-founder, Liz Levine to show-run her webseries "Redemption". Her feature script, "Hitchhiking in Saldanha", was shortlisted in the Praxis Screenplay Competition in 2013 and the ScreenCraft Fellowship Competition in 2014.
A 2014 resident of the CFC's Primetime program under the show-runner Brad Wright (Stargate) Gillian was a part of the room that developed Travelers (Netflix). Gillian was the assistant to showrunners Mark Ellis and Stephanie Morgenstern on the final season of CBC's “X Company” and co-directed the webseries "Night Owl" and the BravoFact "Checking Out" which was invited to SXSW’s inaugural Independent Episodics category in 2018, she co-produced Super Zee: The Webseries with an all P.O.C. cast and crew. Gillian was selected for MPAC’s Drama TV Writer’s Lab in Santa Monica, California, sponsored by the Emmy nominated Wise Entertainment. She is also a recipient of the Writer’s Guild of Canada Diverse Script of the Month for December 2018. Her original series “The Player’s Son” is currently with Sienna Films.