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Calvin Manyange

ADHD Assessor and Eclectic Psychotherapist

Calvin is an ADHD Assessor and Eclectic Psychotherapist who is passionate about Mental Health and Neurodiversity (ASD and ADHD).

In terms of aftercare treatment following ADHD diagnosis, ASD diagnosis and/Social Communication Difficulties, Calvin provides Executive Function Intervention using integrative therapeutic modalities such as Cognitive Behavioural Therapy (CBT), Acceptance and Commitment Therapy (ACT), Solution Focused Brief Therapy (SFBT) and Dyadic Development Psychotherapy (DDP) etc. The Executive Function Skills Framework is key to service delivery.


In relation to mental health, Calvin delivers Trauma Informed Therapy, Attached Focused Therapy, Systemic and Family Therapy and Talking Therapies in relation to trauma, emotional dysregulation (stress, anxiety, anger, low mood and depression), attachment issues, family issues, sleep difficulties etc.



  • Social Work England registered Social Worker

  • Post Graduate Autism (ASD)

  • Post Graduate Cognitive Behavioural Therapy (CBT)

  • Post Graduate Dyadic Development Psychotherapy

  • Eye Movement Desensitisation Reprocessing (EMDR)

  • Schema Therapy

  • Attention Deficit Hyperactive Disorder Assessment and Diagnosis (DIVA-5)

  • Acceptance Commitment Therapy (ACT)

  • Systemic and Family Therapy

  • Psychological Executive Function Treatment

Calvin Manyange

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