Mark began his teaching career in 1995, when he obtained his initial teaching certificate in TESOL (Teaching English to Speakers of Other Languages) from Trinity College London. In between teaching contracts in Russia in 1996 and 1998, Mark returned to Ireland to study for the Trinity College London Licentiate Diploma in TESOL. Accepting a post as academic manager in the private sector, where he also taught EAP (English for Academic Purposes) and IELTS (International English Language Testing System), Mark completed a BA (Hons) in Humanities with the English Language and an MA in Education and Applied Linguistics through The Open University (UK). In 2012 Mark took up a part-time position at Waterford Institute of Technology as a teaching practice tutor on teacher-training programmes, and also worked with Kilkenny/Carlow Education and Training Board, delivering TESOL and adult literacy classes. Mark moved to Waterford Institute of Technology full-time in 2015 as assistant lecturer in adult education, where his work also involved EAP, and took up his current positon at Maynooth as EAP coordinator and tutor in 2018.
In 2012, Mark had a short play, ‘The King’s Shilling’, published and performed by ‘Fishamble: The New Play Company’, as part of their ground-breaking ‘Tiny Plays for Ireland’ series, which explored varied themes and experiences of Ireland in recession.