Mark is an award winning actor and founding member of Run of the Mill Theatre. Mark was nominated for Best Performer at the Dublin Fringe Festival in 2019 for his work creating and performing in an autobiographical, documentary theatre piece Making A Mark (winner of Judges Choice Award, nominated for Best Production). This production also completed a nine venue national tour in April 2022.
In May 2022 Mark has also performed in short films, most recently Headspace and before that Outside History (St. Patricks Festival, 2021), Vulnerable (Abbey Theatre, Dear Ireland 3 commission) and Quarantine (Culture Night Commission, 2020). He regularly advocates for artists with Down Syndrome and disabilities in National media and was featured to widespread acclaim on the The Tommy Tiernan Show (Season 4, 2020). Mark also has a Diploma in Anthropology through NUI Maynooth.