Nona Ooi

Principal Child Psychologist


Nona Ooi is an Educational Psychologist registered with the Singapore Register of Psychologists and is a member of the Singapore Psychological Society. She has garnered a wealth of experience having served in the Ministry of Education (MOE), hospital, and community settings.

Nona has worked with a diverse caseload of children and adolescents with learning, social-emotional, mental health conditions and developmental differences, including autism, dyslexia, ADHD, selective mutism, mood and anxiety disorders, developmental delays, dyspraxia and other complex needs.

She is well-versed in conducting a wide range of psychological assessments, and excels in translating the assessment knowledge to inform treatment planning. She conducts individual and group therapies, and has particular interests in direct family work and positive parenting interventions.

Nona has extensive experience helping both mainstream and Special Education (SPED) schools to identify and support children with special and learning needs, and provided consults for schools and caregivers on learning and behavioural intervention strategies. Nona is also adept at coordinated care with a range of agencies and stakeholders to identify various ways to support the individual.

Nona has particular interests in Autism Spectrum Disorders, Early Childhood Assessment and Intervention, positive parenting strategies, as well as developmental, behavioural and social-emotional difficulties in children from disadvantaged social circumstances.

She has research interests in caregiver stress, and the quality of life of children with special needs and that of their families. Nona believes strongly in empowering caregivers and teachers in their roles, and strengthening them with skills and psychological resilience in their support and work with their children and adolescents.

She also believes in the importance of identifying ways to support individuals through their difficulties and working with the systems surrounding them to promote sustainable change. She provides consultations in both English and Mandarin.

Clinical Specialisation

Over the years, she has seen and managed a diverse caseload with clients ranging from 18 months to

18 years of age, with the following conditions:

  • Autism Spectrum Disorder (ASD)

  • Attention Deficit Hyperactivity Disorder (ADHD)

  • Oppositional Defiant Disorder (ODD)

  • Dyspraxia

  • Dyslexia

  • Global Developmental Delay (GDD)

  • Developmental Language Disorder (DLD)

  • Intellectual Disability (ID)

  • Selective Mutism (SM)

  • Mood and Anxiety disorders (e.g. depression, school refusal)

Training & Qualifications

  • Autism Diagnostic Observation Schedule-II (ADOS-II)

  • Autism Diagnostic Interview-Revised (ADI-R)

  • Cognitive Behavioural Therapy (CBT)

  • Interpersonal Psychotherapy (IPT)

  • Social Thinking

  • Incredible Years Parenting Program and Child Program (Dinosaur School)


  • Singapore Registered Psychologist (Singapore Psychological Society)

  • Full Member of Singapore Psychological Society (SPS)


  • Master of Arts in Applied Psychology (Educational Psychology) Nanyang Technological University, Singapore

  • Bachelor of Arts in Psychology (Hons) Murdoch University, Perth, Western Australia