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Siena Castellon

Siena Castellon is a 17-year-old internationally recognised and multi-award-winning autism advocate and anti-bullying campaigner who is on the autism spectrum. She has won a BBC Radio 1 Teen Hero Award, Observer New Radical Award and the British Citizen Youth Award and is affiliated with the UCL Centre for Research in Autism and Education. She lives in London with her parents and her pet dog Rico.

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