Our Team

We are a dynamic and dedicated team of Board Certified Behaviour Analysts (BCBA’s), autism specialists, and psychologists; all of whom have gained qualifications and training in autism and Applied Behaviour Analysis (ABA).

We are also trained in a range of autism-specific and educational approaches and assessments, including the Picture Exchange Communication System (PECS), TEACCH, Social Stories, VB MAPP (assessment), Cognitive Behavioural Therapy (CBT) and Pivotal Response Treatment.

Our team of professionals can provide you with collaborative, consistent and comprehensive support to ensure that all of your child’s autism, educational and family training needs are met.

Meet our team…

Katherine YatesKatherine Yates BSc (Hons), MSc, BCBA
Board Certified Behaviour Analyst and Founding Director

Katherine is a Board Certified Behaviour Analyst and holds a Bachelor of Science degree in Social Psychology and a Master of Science degree in Applied Behaviour Analysis from the University of Ulster.

As the founding director of Sunnyside Children’s Clinic, Katherine is dedicated to bringing early intervention to the lives of children with autism and other related disorders. She provides direct consultation and training to families, schools, health boards, as well as charities and other organisations throughout Ireland and Northern Ireland.

Katherine has extensive experience and a keen interest in the areas of communication (Verbal Behaviour, PECS and Makaton), challenging behaviour, procedural integrity and pivotal response treatment. She has delivered workshops and trainings on various topics within the field of applied behaviour analysis and autism both nationally and internationally.

Katherine has previously worked at centres of excellence including the New England Centre for Children in Boston and the Centre for Early Autism Treatment.

Damian RooneyDr. Damian Rooney, BSc (Hons), MSc, DECAP
(HCPC Registration Number: PYL33391)
Educational Psychologist and ASD Specialist

Damian is a qualified Educational Psychologist, holding a Doctorate in Educational, Child and Adolescent Psychology from Queen’s University and is a registered practitioner Psychologist with the Health and Care Professions Council. Damian also holds a Master of Science degree in Autism Spectrum Disorders, and a Bachelor of Science degree in Psychology, both from Queen’s University, Belfast.

Damian has over 10 years of clinical experience working with a wide range of children and young people.

At Sunnyside Children’s Clinic, Damian is able to provide a range of assessments, which can support and inform our individualized interventions. These include, but are not limited to, assessments of cognitive ability, academic achievement, adaptive behavioural functioning, and daily living and community skills. Damian also provides direct consultation on a number of our home-based intervention programmes.

As an Educational Psychologist, Damian has experience in the identification and assessment of a wide range of special educational needs in both pre-school and school-age children.

Damian has a special interest in working with children with Autism Spectrum Disorder, social communication difficulties and behavioural difficulties.

Sarah O'PreySarah O’Prey BSc (Hons), MSc, BCBA
Board Certified Behaviour Analyst & Trainings and Development Manager

Sarah is a Board Certified Behaviour Analyst and holds a Bachelor of Science degree in Psychology, a Master of Science degree in Applied Psychology and a Master of Science degree in Applied Behaviour Analysis (ABA).

With over 16 years of experience, Sarah has worked in Northern Ireland, Ireland, Italy and Australia providing direct and senior consultation to families, supervision for individuals working towards certification with the BACB and training to a range of families, charities and organisations.

Sarah provides senior and peer supervision for Sunnyside Children’s Clinic consultants and develops the clinics training and supervision services for professionals in the field of ABA.

With a keen interest in the dissemination of the science of behaviour analysis, Sarah is involved in the development and presentation of trainings for families, schools, health boards, as well as charities and other organisations. She also keeps the clinic website blog and social media pages updated with the latest news and developments in the field.

Laura FrazerLaura Frazer BSc. (Hons), MSc. BCBA
Board Certified Behaviour Analyst

Laura holds a Bachelor of Science degree in Linguistic Science and a Master of Science degree in Applied Behaviour Analysis (ABA). She is also a Board Certified Behaviour Analyst.

Laura’s interest in working with the special needs population stems from her early experiences growing up with a sibling with a diagnosis of Autism Spectrum Disorder (ASD). Through her own personal experience, Laura is acutely aware of the unique situations that come with living with and supporting a person with autism. She applies this knowledge with empathy and understanding in her day to day clinical work.

Laura has valuable experience working in a variety of school and home-based ABA settings in America, Northern Ireland, and Southern Ireland.

Laura has specific interests in language development across the lifespan, functional communication training (FCT) and capacity building of parents and external agencies in relation to ABA.

Felicity WealeFelicity Weale BA (Hons), MSc, BCBA.
Board Certified Behaviour Analyst and Family Trainer

As a Board Certified Behaviour Analyst and Family Trainer at Sunnyside Children’s Clinic, Felicity guides families and carers of children with autism through the implementation of teaching and behaviour management strategies. Her work enables families to confidently support and teach their children new and meaningful skills. Felicity also has responsibilities in the assessment and design of individualised programmes and behaviour support plans.

Felicity has received a Master of Science degree, with distinction, in Applied Behaviour Analysis form the University of Ulster and she also holds a Bachelor’s degree in Childhood Studies and Care and Education (Early Years) from Northumbria University, England.

Felicity has worked and gained valuable experience at many well established, international ABA centres and schools including the New England Centre for Children (NECC) in Boston, Treehouse ABA School in London and the Centre for Early Autism Treatment.

Felicity has a great enthusiasm for behaviour analysis and its practical application. She has a particular interest in early intensive behavioural intervention and believes the therapeutic application of behaviour analysis should be both rewarding and enjoyable for the children we work with and their families.