Seán is from Galway in Ireland. He attended the University of Limerick (Computer Systems) and graduated in 1989 (Hons). He then spent 13 years working in both the FinTech and Telecoms industries. In 2002, Seán became a lecturer in Athlone Institute of Technology. He completed a Masters in Software Engineering (First Class Hons.). In 2012, Seán graduated from the National University of Ireland, Galway with a PhD in Information Technology. Since 2013, he has lectured Java to level 9 (Masters) level on a bespoke applied Masters for Ericsson. He is certified at both OCA and OCP level.