
About Me
The Behaviour Base was founded by Marissa Lee, a Consultant Board Certified Behaviour Analyst (BCBA) based in London, to help children and their families achieve a better quality of life.
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Marissa is passionate about ensuring her services can be accessed by all children and their families, whether they have a diagnosis or not. Marissa utilises a range of evidence-based practices to ensure all aspects of an individual are addressed - this includes overt and covert behaviours.
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Marissa celebrates neurodiversity and understands that people experience the world around them in many different ways. This helps the Behaviour Base to provide bespoke and meaningful support to our clients.
My Experience
Marissa has 19 years of experience in the field of Behaviour Analysis and specialises in Autism Spectrum Disorders (ASD). Marissa also has extensive experience (13+ years) supporting children with Down Syndrome, ADHD, Learning Disabilities, dual diagnoses and behaviour challenges.
In addition to her private practice, Marissa works within the NHS's Child and Adolescent Mental Heath Service (CAMHS), with a focus on providing support to children and their families who are managing dual diagnoses and mental health concerns, such as anxiety and depression. Marissa also offers consultation services to their schools and other networks to ensure that everyone involved is working together to provide the best possible support.
Marissa has received the following degrees:
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Bachelor of Arts (BA) joint honours degree in English and Psychology.
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Masters of Science (MSc) degree in Mental Health and Learning Disabilities from Kings College London, Institute of Psychiatry.
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Masters of Science (MSc) degree in Applied Behaviour Analysis from the University of Kent, Tizard Centre.
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Marissa has also completed a range of postgraduate formal training courses and earned certificates to ensure she provides high quality services, these include but are not limited to: Trauma and Attachment, Cultural Competency, Acceptance and Commitment Therapy, Dialectical Behaviour Therapy, and many more.
