Professional Service Providers


Georgiana Koyama
Board Certified Behavior Analyst (BCBA)
All Behavior Consultancy

Georgiana has worked with adults and children with, Autism, learning disabilities and mental health challenges for over 17 years. She has an Honours degree in Psychology from Cardiff University and a Masters degree in Behaviour Analysis (distinction grade) from Swansea University.

She has vast experience working with the National Health Service and Local Education Authority.  She has also worked for Kingston Clinical Commissioning Group and the world renowned South London and Maudsley NHS Trust. This unique experience allows her to impart her expert knowledge across health and education settings in delivering high quality individualised positive behaviour support plans.

In 2011 Georgiana founded All Behaviour Consultancy to combine her knowledge, skills and network of professionals in providing solutions for schools, LEAs and NHS or health based services dealing with children and young people requiring expert behavioural support. The Consultancy offers behavioural assessments and interventions for children and young people with Autism and other developmental disabilities who exhibit behaviours that challenge.

Georgiana is passionate about supporting families whose socio-economic circumstances act as a barrier to evidence based treatment and as such volunteers her expertise to Junior’s Place of Hope.

To learn more about Georgiana’s services please visit:

Ann Marie Dawson Bio Pic

Ann Marie Dawson  MS, RD, CD
Clinical Dietitian 

Ann Marie hails from Sierra Leone.  She has lived and worked in Africa, Europe, Asia and North America.  She holds a BSc in Nutrition and Dietetics and an MS in Nutritional Science, both from University of Wisconsin-Madison. 

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