Rare Disease Day
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![Viorica Chelban](https://www.ucl.ac.uk/ion/sites/ion/files/styles/medium_image/public/v.png?itok=H_N-eN8J)
Meet the expert: Dr Viorica Chelban
Dr Viorica Chelban specialises in translational work in neurodegeneration and rare diseases and is a clinical academic at the UCL Queen Square Institute of Neurology.
![Henry Houlden](https://www.ucl.ac.uk/ion/sites/ion/files/styles/medium_image/public/henry_0.png?itok=rQEu23Is)
Meet the expert: Professor Henry Houlden
Professor Henry Houlden is the Clinical Lead for Neurogenetics at the National Hospital of Neurology and Neurosurgery and plays a key role on the Genomics England board for rare diseases.
![Dr Reza Maroofian](https://www.ucl.ac.uk/ion/sites/ion/files/styles/medium_image/public/rm_0.png?itok=rQ8w3sE9)
Meet the expert: Dr Reza Maroofian
Dr Reza Maroofian is a geneticist at the UCL Queen Square Institute of Neurology who researches challenging paediatric neurological disorders.