Mr. Mark Hamilton
Education B Sc., H.D.E.
Mr. Hamilton has been principal in Rockbrook since 2005. He is involved in a number of other educational undertakings, and is founder of charitable organizations working with young people in Dublin and Belfast. He has had two books on social commentary published and writes occasional articles for publication. He is also involved in organisations which promote the dignity of life at all stages.
Mr. Jude Mulligan
Education: BA, University College Dublin; MLitt, University College Dublin; MSc, PGDE
Subjects: English, Religion
Mr. Mulligan was appointed deputy principal in 2019. He enjoys teaching English. He set up the Local Lives foundation, an international charity in conjunction with past students of the school. He chairs the schools Academic Council. He is currently a staff representative on the school’s board of management.
Mr. Paul Whinnery
Education: BA, Queens University; M.Ed Maynooth; PGDE
Mr. Whinnery hails from Belfast and has been involved in education since he qualified from Queens. He was appointed assistant principal in 2019. He overseas the character education aspects of the school as well as managing additional education needs for all students.
Mr. William O’Brien
Education: BA, University College Dublin; MA in History of British-Irish Relations (UCD); MEconSc in European Economics & Public Affairs (UCD), PGDE (UCD)
Subjects: History, Transition Year co-ordinator
Mr. O’Brien spent time working in public policy and research before becoming a teacher. He worked alongside the former Taoiseach Dr. Garret Fitzgerald and has been involved in a number of political campaigns. He is a keen education technologist and manages the school’s digital policy. He is involved in the Padel Federation of Ireland. He is currently the 4th year year head.
Mr. Raymond Delaney
Education: B.Sc. (University College Dublin), H.Dip. Ed.
Subjects: French, English
Mr. Delaney has a great love for all things French. He is a set designer and set constructor with the Taney Drama Society and he promotes theatre-going among students at all levels. He co-ordinates the staff-room’s social activity.
Mr Sennen O’Boyle
Education: B.Sc (Hons), University College Dublin; H. Dip. Ed
Subjects: Mathematics, Physics
Mr. O’Boyle is a long-term serving member of staff. He has a passion for Physics and Mathematics which he communicates to his students. He is a national champion at many levels in both judo and orienteering. He has a love for the great outdoors and for venture sports.
Dr. David Nolan
Education: BSc (Chemistry) and PhD (Biochemistry) in NUI Galway. Licentiate in Theology, University of Navarre, Spain.
Dr Nolan is one of the founding Trustees of Rockbrook Park School and was its first principal. He is the longest serving teacher in the school. He has directed many projects for the Young Scientists Exhibition and organises language exchanges for Rockbrook students in Spain and in France.
Mr. Jackie Brennan
Education: BA, University College Dublin; H.Dip. Ed. (UCD); Dip.Career Guidance (UCD); Dip. Ed. Administration, NUI Maynooth.
Subjects: Career Guidance
Mr. Brennan has been with the school since its beginning in St. Stephen’s Green and has been guidance counsellor since 1993. A former deputy principal he is Chartered Member of the Institute of Guidance Counsellors and has contributed to a number of web and print publications including the Irish Times Leaving Cert Exam Guide. His publications include “A Dictionary of Geography for Irish Secondary Schools”. He is also a teaching practice supervisor in Dublin City University. He is a trustee representative on the school’s board of management.
Mr. Andrew McDonnell
Education: B.A. (University College Dublin), H.D.E.
Subjects: Mathematics, Geography
As geography teacher in the school Mr McDonnell is actively involved in organising geography outings and trips at all levels. He usually coordinates the 3rd year West of Ireland trip. Mr. McDonnell is a keen photographer, winning many public competitions for his work. Most of the school website photographs are the fruit of his labours.
Mr. Andrew Larkin
Education: BA French & Music; BA (mod) Irish (UCD); MA French (UCD); MMus (Music) RIAM; Phil International Relations (Cantab);PGDE (UCD)
Subjects: Irish, French, Music
Mr. Larkin is an enthusiastic educationalist, a passionate musician and an avid linguist. Mr. Larkin is the Head of Mentoring in the school. He promotes classical music concerts in the school. He is a teacher representative on the school’s Board of Management. He is currently the 6th year year head.
Mr. David Boland
Education: BA, University College Dublin; PGDE, University College Dublin
Subjects: Mathematics, Economics and Business Studies
Mr. Boland qualified as a Chartered Insurance Practitioner, ACII, and worked for some of the leading commercial insurance broking firms in the country before he began teaching and bringing his commercial experience to the classroom. He has won academic scholarships and the Patrick Semple medal for mathematical studies while studying in UCD. He has a strong back ground in Scouting and often leads school hikes. He oversees the school’s Assessment and Examination policy and procedures.
Mr. Codie Preston
Education: BSc (Hons), University College Dublin; PGDE, Trinity College Dublin.
Subjects: Science, Biology
Mr. Preston has been a teacher in Rockbrook since 2008. In that time he has created enthusiasm for the sciences through the Science Club and assisting students in BT Young Scientist and other exhibitions. He coordinates the Clanns and Gaisce award programme. He is a keen educationalist and continues to volunteer in a number of educational projects outside of school and has gained experience by doing volunteer teaching in India, Haiti and Kenya. He is also chairman of the well known educational charity Citywise Education. He is currently the 5th year year head.
Ms. Anna Trianni
Education: BSc (Hons), ; PGDE, University College Dublin.
Subjects: Science, Mathematics, Physics
A native of Italy, Ms. Trianni worked as an engineer for many years before deciding to dedicate her life to teaching. She manages the Science & discovery Club in the school
Mr. Donal Murray
Education‚ BA Fine Art NCAD; MA- New York Academy NY USA); H.Dip Ed- (LIT)
Mr. Murray is a professional artist whose works are included in numerous public and private collections including places as diverse as Dail Eireann and Our Saviour’s Church Manhattan NY. As a former student, Mr. Murray is determined to transmit to his students the techniques and skills he has mastered over the years, enhancing the cultural and educational vision of the school. He regularly hosts exhibitions of his own works. He oversees the school’s Art Club.
Mr. Derrick Dunne
Subjects: Physical Education
A past student of Rockbrook, Mr. Dunne has been teaching in the school for over twenty years. He has a background in athletics, competing at a national level. A former League of Ireland player and goalkeeping coach, he currently coaches under-age soccer with Blessington FC. He manages the school’s soccer teams and boasts a number of Leinster and Dublin Metropolitan trophy successes in recent years. He also coordinates the outdoor aspects of school’s activities, and the school’s provision to local primary school children including the highly renowned Dangerous Summer Camps.
Mr. Paul Fagan
Education: BA, National University of Maynooth; MPhil (Early Modern History), Trinity College Dublin; Postgraduate Diploma in Education, Trinity College Dublin.
Subjects: Music and English
Mr. Fagan is an avid musician playing piano, flute, and organ and who has extensive experience in choral singing. In the school he is responsible for developing the school’s Music club. He is currently the 1st year year head.
Mr. Myles Cassidy
Education: International BA – History & Philosophy (UCD) , BA – Irish (NUIG), Masters in Modern European History (UCD), PGDE (UCD).
Subjects: Irish, History
Mr. Cassidy worked for some years as an English teacher in the far east before teaching in Rockbrook. He has been overseeing the sports and academic clubs of the school in the past few years. He is a sports enthusiast, participating in many national races such as the Irish Marathon and playing football regularly. He also has a keen interest in choral singing. He was previously a member of the UCD Choral Scholars for 4 years, a semi-professional choir that perform on the national and international stage. He is currently the 2nd year year head.
Mr. Michael Smith
Education: BA, Queens University; Postgraduate Diploma in Education, inc Special Education, Queens University Belfast.
Subjects: History and additional education support
Mr. Smith is a native of Belfast and joined the school staff in 2017. In the school he is responsible the 2nd year Spanish exchange. He is currently the 3rd year year-head.
Ms. Niamh O’Reilly
Education: B.Comm, University College Dublin; Postgraduate Master in Education, TCD
Subjects: Subjects: Business, IT, Learning support. Ms O’Reilly has recently joined the school staff. She decided to go into teaching after working with UCD’s Access Programme mentoring secondary school students who aspire to go to third level study. Currently, she is an active member of the Business Teachers Association of Ireland and volunteers for the Special Olympics Ireland childrens’ athletics coaching. This year she will be overlooking IT in the school and running The Student Enterprise Programme.
Ms. Natalia da Silva
Education: BA Journalism (University Carlos III, Madrid); BA History, H Dip Ed (University of Valladolid); MA Spanish (Pontifical University of Salamanca)
Subjects: Spanish Ms da Silva is a native Spanish teacher who, after many years experience teaching children and young people in Dublin, is convinced of their natural ability to learn foreign languages. She believes such potential can and should be exploited, both to develop students as individuals, and to advance their education. She has taught mono- and bi-lingual children and adults at the Instituto Cervantes in Dublin where she also trains others in teaching the language to children.
Fr. Donncha O hAodha
Education: BA (University College Galway) MA in French (University College Dublin), H.Dip in Ed (University College Dublin), D.D. (University of the Holy Cross, Rome).
Fr. Donncha worked as a teacher for a few years at Colaste Raitihin in Bray, Co Wicklow before going to Rome to study theology. He was ordained to the priesthood for the Opus Dei Prelature in 2001 and is currently its regional Vicar for Ireland. His interests include music and literature. He is a member of the national steering committee for the study of the Catechism of the Cathollic Church and has written a few booklets on topics related to evangelisation.
Additional administrative school staff
Ms. Susan Rennick (SNA)
Ms. Rennick joined Rockbrook in 2012. She is a qualified Montessori teacher, having taught in Australia for five years. She holds a Diploma in Special Needs Education and a Diploma in Speech and Drama. As well as tennis she plays padel and loves hill walking and reading.
Mr. Greg Costello
School Admissions and Enrolment
Greg manages all aspects of school enrolment and admissions. He is past premiership footballer and helps the school’s soccer teams in their times of need.
Mrs. Anne Prendergast
Anne, a past parent of the school provides secretarial support to the whole school community. Anne has over ten years experience in the education sector of the HSE and qualified as an SNA in 2012. She is a qualified reflexologist with interests in health and fitness.a
Ms. Sarah Warren
Sarah a qualified accountant with long experience in the financial services sector has very recently undertaken the role of finance manager for the school.
‘The school provided me with a great personal support system on all levels – it taught me a lot about life.’
Geoff Woods (1989) musician (ex Picture House), father of three
‘I found the school great. The goals I set myself and have achieved in life were, in large part, due to the help and guidance I received as a pupil at Rockbrook.’
Brendan Walsh, Director of Teaching Practice, School of Education
Studies DCU, former student, former teacher, former member board of management.