Our Team


Jonathan Duignan


Jonathan has enjoyed a successful career in International Education spanning three decades. A Dubliner and graduate of Trinity College, Jonathan has designed, delivered, and managed educational programmes and schools for organisations such as International House, British Council, Dublin Business School and Kaplan in Ireland, the UK, Germany and USA.

A former business lecturer, teacher trainer, Cambridge examiner and secretary of Marketing English in Ireland (MEI), Jonathan’s true passion is developing teaching and learning environments and delivering exceptional customer service.

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Oisin Smith

Director of Studies

Born and raised in Dublin, Oisín Smith is Director of Studies at DCI. The longest serving member of staff at the school, he brings a wealth of organisational knowledge, managerial experience, and educational skills to the role. A gifted teacher, Oisín enjoys working closely with students to achieve their academic goals.


Siobhán Smith

Sales, Marketing and Customer Service Manager

Siobhan has worked in the EFL industry for more than 15 years establishing a reputation as a confident, professional and friendly face for many English language students and agents. During her career she has worked at Dublin Business School, English in Dublin, Trinity College, and Chapterhouse before joining DCI in 2019.