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.

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.

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.

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