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15+ years as a teacher and state examiner
Christopher Brennan
Higher & Ordinary Level English
Christopher has 15+ years’ experience teaching Leaving Cert English and as a state examiner. He currently teaches English and Geography at Piper’s Hill College, Naas.
- 15+ years' experience as a Leaving Cert English teacher and as a state examiner.
- Supports the professional development of English teachers through his work with Oide
- Published educational author, currently writing a Leaving Cert English book for the 2027 curriculum change
- Holds multiple qualifications including PGDip Education and MSc Education Leadership from UCD, and PGDip Law and Education from King's Inn.
17+ years as a teacher and state examiner
Emer Brady
Higher & Ordinary Level Maths
Emer has 17 years’ experience teaching post-primary Maths and 10+ years’ as a state examiner. She currently teaches Maths at St Dominic’s College, Cabra.
- 17+ years’ experience as a Higher Level Leaving Cert Maths teacher and 10+ as a state examiner
- Extensive experience in Maths curriculum development and teacher professional learning, including roles with Oide and JCT
- Winner of Thomas MacDonagh medal 2022, recognising Emer's dedication and leadership in supporting secondary teachers
- Holds multiple qualifications including an MSc in Education and Training Management and Leadership from DCU, PGDip in Education from NUI Maynooth.
34+ years as a teacher and state examiner
Séamus Ó Fionnagáin
Higher & Ordinary Level Irish
Séamus has 34 years’ experience teaching Irish and as a Leaving Cert state examiner. He currently teaches at CBC Monkstown Park and has spent 14 years teaching in the Gaeltacht.
- 34 years’ experience teaching Irish, with experience as a Leaving Cert state examiner
- Published Folens author of Gaeilge Abú 1, 2 and 3
- 14 years teaching in the Connemara Gaeltacht, helping students build their spoken Irish
- Holds multiple qualifications from Trinity College Dublin, including a BA, Higher Diploma in Education and Master’s in Education
7+ years as a teacher and state examiner
David O’Brien
Higher & Ordinary Level Biology
David has 7+ years teaching Biology and as a Leaving Cert state examiner. He is currently teaches Biology, Science and Maths at Ballincollig Community School and Bruce College Cork.
- Leaving Cert Higher Level Biology state examiner and experienced Biology teacher
- Published Folens author of Biology in Practice for Senior Cycle and Essential Science for Junior Cycle
- Biology Representative for the Irish Science Teachers Association, supporting Biology teachers nationwide
- Holds a BScEd in Science Education from UCC, where he received the Outstanding Teacher Award

