About Us

The following is a brief outline of the individuals involved in founding ABA Ireland, and their respective areas of expertise or interest:

Dr. Kristen Maglieri (Chairperson)

Dr. Kristen Maglieri is a Lecturer and Course Director of ABA Post-Graduate Diploma course at the School of Psychology, Trinity College Dublin. Kristen graduated from West Virginia University (WVU) in 1995 with a Bachelor of Arts degree in Psychology. Following graduation, Kristen began work at the world-renowned Kennedy Krieger Institute in Baltimore, Maryland (an affiliate hospital of the Johns Hopkins University School of Medicine). There, Kristen worked as a behaviour specialist on the NeuroBehavioral Unit, which is a 24-hour inpatient unit that specialises in assessing and treating children and adults diagnosed with intellectual disabilities and severe behaviour disorder. During that time, Kristen worked under the supervision of several leading experts in the field of behaviour analysis and behaviour disorder including: Dr. Wayne Fisher, Dr. Cathleen Piazza, Dr. Louis Hagopian and Dr. Iser DeLeon.

After spending 5 years at Kennedy, Kristen joined the Behaviour Analysis Program at the University of Nevada, Reno (UNR) to pursue her master’s and doctoral degree in Psychology. While at UNR, Kristen focused her studies on the application of behaviour analysis to work-place behaviour. In particular, she studied the impact of incentives and pay systems on employee behaviour. During her time at UNR, Kristen worked as a safety consultant for the Centre for Behavioural Safety Research, an organisational consultant for a National Charter School and a project manager for Abernathy and Associates. She also continued to work with children and families in a variety of settings. She worked as a behavioural consultant for the Nevada Centre for Severe Behaviour Problems, a behaviour specialist for the City of Reno, Parks and Recreation Department and an instructor and supervisor for BEST Consulting, an autism service provider.

As a result of her varied training and practical experiences, Kristen has expertise in organisational behaviour management, behavioural assessment, challenging behaviour, parent and teaching training, and language intervention.

Dr. Kristen Maglieri


Dr. Michelle P. Kelly (Treasurer)

Dr. Michelle P. Kelly (Treasurer), completed her Ph.D. in ABA at the Department of Psychology, National University of Ireland, Galway. Michelle graduated from UCC in 2003 with a first class honours degree in Applied Psychology. Michelle spent the next three years teaching English as a foreign language using behaviour analytic techniques to motivate her typically-developing students to reach their full academic potential. In 2007 she became an ABA tutor, applying ABA principles in a classroom setting to students of varying levels of ability across the autistic spectrum. Michelle also worked as staff tutor in the same school running tutorials on a wide variety of ABA topics.

Michelle received a Galway College Fellowship in 2009 and is now in her final year of the four-year structured PhD in ABA in NUI, Galway. She has presented in several national and international ABA conferences and was recently awarded an Advancement of Behaviour Analysis Student Presenter Grant for the 2011 ABAI Annual Convention in Denver, Colorado. Michelle became the student representative of the Division of Behaviour Analysis DBA in May 2010 and is also an ordinary committee member of the ASD Special Interest Group of the Psychological Society of Ireland Michelle founded the ABA Ireland Facebook group in April, 2010 to provide the first online forum for discussion about ABA related subjects for service users, parents, students, academics and professionals.

Dr. Kelly is currently employed as an assistant professor at Dar Al Hekma college in Saudi Arabia.


Clodagh Murray (Secretary)

Dr. Clodagh Murray, completed her Ph.D.  in ABA at tje Department of Psychology, National University of Ireland, Galway. Clodagh graduated from University College Cork in 2005 with an honours degree in Applied Psychology. Following this, she was employed as a Social Care Worker in a specialised residential unit for individuals with a dual diagnosis (intellectual disability and psychiatric disorder). Here, she was a key worker for a service user with responsibility for person-cantered planning, behaviour support plans and daily activities.

In May 2006, Clodagh began work as an ABA tutor in a newly set up early intervention school. Here, under the direction of Dr. Jennifer Holloway, BCBA-D, she honed her applied skills and over the next 2.5 years she took on extra responsibilities, such as writing and implementing behaviour support plans, main-streaming individual children and working with parents. Clodagh began her MA in Applied Behaviour Analysis at NUI Galway in September 2007 and transferred to their new Ph.D. programme the following year. She received a School of Psychology Research Scholarship for 2009 and is currently in the final year of her Ph.D. Clodagh has presented her applied and experimental research at national and international level over the past four years. She received a student presenter grant for the 36th Annual ABAI Convention in San Antonio, Texas in 2010 and again for the 37th Annual Convention in Denver in 2011. In October 2008, Clodagh began working with clients with Acquired and Traumatic Brain Injury. She is keen to enhance the provision of behavioural intervention with this population in the future. Dr. Murray has also worked as supervisor and research lead on projects designed to improve educational outcomes for children from socially deprived areas.

Dr. Murray currently lectures on behaviour analysis at Trinity College Dublin.


Dr. Dermot Barnes-Holmes

Dr. Dermot Barnes-Holmes is foundation Professor of Psychology at the National University of Ireland, Maynooth, and served as the Head of Department of Psychology from 1999 to 2008. He studied under Professor Julian Leslie at the University of Ulster before taking up a teaching position at University College, Cork, where he founded the Behaviour Analysis and Cognitive Science Research Unit. After nine years at UCC he was appointed to his current post. Professor Barnes-Holmes has published over 200 scientific articles, book chapters, and books, and he was ranked as the most prolific author in the world in the Experimental Analysis of Human Behaviour during the period 1980 to 1999 (Dymond, 2002).

He has served on, or is currently serving on, the editorial boards of the following journals: Experimental Analysis of Human Behaviour Bulletin; Journal of the Experimental Analysis of Behaviour; Journal of Applied Behaviour Analysis; The Behaviour Analyst; The European Journal of Behaviour Analysis; The European Journal of Psychology; The International Journal of Psychology and Psychological Therapy (Associate Editor); and The Psychological Record. Professor Barnes-Holmes has graduated 25 doctoral research students and has been directly involved in attracting over 1,000,000 euro in competitive research funding. He served on the Health Research Board from 2002-2005 (a ministerial appointment) and was elected to the Council of the Psychological Society of Ireland from 2004-2007.

Dr. Dermot Barnes-Holmes


Dr. Yvonne Barnes-Holmes

Dr. Yvonne Barnes-Holmes, Lecturer and Course Director of ABA Doctoral Degree Course, Department of Psychology, National University of Ireland, Maynooth. Research Interests: The development of language and cognition in early childhood. Conceptual and applied issues in human development. Behavioural and cognitive psychotherapy with children and adults. Special interests include child behaviour problems and acceptance and change therapies with adults.

Dr. Yvonne Barnes-Holmes


Dr. Denis O’Hora

Dr. Denis O’Hora, BCBA. Lecturer, Department of Psychology, National University of Ireland, Galway. Dr. O’Hora graduated from University College Cork in 1998. He began his postgraduate work at UCC before moving to the National University of Ireland Maynooth in 1999 to complete his studies with the support of a Government of Ireland Scholarship. In 2002, he took up a lecturing post in London Metropolitan University where he worked for a year before being appointed as a lecturer in behaviour analysis at the University of Ulster. During his time at UU, he was part of the course team that developed the first Masters in Applied Behaviour Analysis on the island of Ireland, which was supported by an International Development grant from the Society for the Advancement of Behaviour Analysis (SABA). He was also awarded a Crucible fellowship by NESTA, the National Endowment for Science, Technology and the Arts, for his work promoting psychology. He has given invited presentations on his research at a number of international institutions including Cornell University. He was appointed to his post in the National University of Ireland, Galway in January, 2007. He is a Board Certified Behavior Analyst (BCBA), a Chartered Scientist (Science Council, UK), a Chartered Psychologist with the British Psychological Society (BPS) and a member of the Psychological Societyof Ireland (PSI).

Dr. Denis O’Hora


Dr. Michelle E. Kelly

Dr. Michelle E. Kelly recently completed the Doctorate in Behaviour Analysis and Therapy at the National University of Ireland, Maynooth. She was employed as an ABA tutor in ABACAS, Kilnamanagh for over three years and also completed ABA consultations completed under the supervision of Dr. Carol Murphy (BCBA-D) with SNA’s in Salesians Boys School, Kildare. She has worked as an assistant co-ordinator of an ABA workshop for SNA’s under the supervision of Ms. Jennifer McMullen (BCBA).

Dr. Kelly has many academic achievements. She received First Class Honours in the BA Psychology at Undergraduate level in NUIM and was recognised for best performance in the Psychology Course (2004-2005). She presented her thesis at the 28th Annual Congress of Psychology Students in Ireland (April 2006) and received a Highly Commended Award for making an excellent Thesis presentation at the Annual Congress (April 2006). She was also highly commended for Outstanding Research and Communication. Her thesis was included in 32nd Annual ABA Convention (How Reliable is the Implicit Relational Assessment Procedure (IRAP) and she received the W.J. Smith Prize awarded for Best Performance in the Final Year of BA Hons Psychology Course (2005-2006).

Dr. Kelly currently works with the Trinity College Dublin Institute of Neuroscience where she researches behavioural interventions for dementia.


Dr. Amanda Kelly

Dr. Amanda Kelly recently completed the Doctorate in Behaviour Analysis and Therapy at the National University of Ireland, Maynoot. Amanda graduated with 1st Class Honours in BA Hons Psychology from NUI Maynooth in 2006. She was awarded the W.J. Smith Prize for best performance in the final year of the BA Hons Psychology Course (2005-2006). She presented her thesis at the 28th Annual Congress of Psychology Students in Ireland (April 2006), and her thesis was also included in 32nd Annual ABA Convention (International Symposium: “The Implicit Relational Assessment Procedure (IRAP): How Reliable is the IRAP?”) She received an award of high commendement for making an excellent thesis presentation at the Annual Congress (April 2006), and was also highly commended for outstanding research and communication. She presented her Doctoral Thesis at the 40th Annual Psychological Society of Ireland conference (November 2010). Amanda has been employed in ABACAS Kilnamanagh as an ABA tutor for over three years. Here she has completed several behavioural functional analyses under the supervision of Jennifer McMullen (BCBA), assisted on the writing and implementing of behaviour support plans, and completed three ABA training levels set out by ABACAS Kilnamanagh. She became acting classroom supervisor in October 2010. Dr. Kelly was recently appointed Co-ordinator of Early Intervention Research for Alzheimer’s Ireland in Trinity College Dublin.

Dr. Kelly currently works as a Senior Therapist on Early Start Denver Model programmes with Firefly Autism in Denver, Colorado.


Jennifer Tomlin

Jennifer Tomlin recently completed her MSc Psychology (ABA) in Trinity College Dublin in 2011. She has worked for over 4 years in an Applied Behaviour Analysis School for Children with Autism. Jennifer is currently completing a Doctorate in Clinical Psychology at Trinity College Dublin.


Niall Conlon

Niall Conlon completed the MSc Psychology (ABA) in Trinity College Dublin in 2011.  He is a committee member of the Psychology Society of Ireland’s Division of Behaviour Analysis and is the divison’s media liason. He worked for three years as an ABA tutor at the Applied Behaviour Analysis School for Children with Autism in Kilbarrack Dublin before moving to St. Catherine’s Association in Wicklow where he worked as an ABA supervisor. In 2013, he  began working as an ABA consultant with Ambitious About Autism’s Treehouse School in London.


Dr. Eamonn Slater

Dr. Eamonn Slater is the father of a child with autism. He is a lecturer in Sociology at the Department of Sociology in the National University of Ireland, Maynooth. He is a representative for Parents of Children with Autism for ABA Ireland.