Dr Christelle Nilles is a neurologist with a deep interest in Tourette syndrome and tic disorders, as well as in movement disorders in general.

She graduated from Université Paris Diderot, in Paris, France, and completed a fellowship in movement disorders in 2022 at the University of Calgary, Canada, under the supervision of Prof. T Pringsheim. During this time, she was involved in wide-ranging research projects in relation to tic phenomenology, sex differences in tic disorders, and functional tic-like behaviours, that led to several publications. She is currently a neurologist in the Neurology Department of the Pitie Salpetriere Hospital in Paris, France.

She is interested in impact of tics on quality of life, outcome in adulthood, use of botulinum toxin and DBS for the treatment of tics, management of associated disorders and disparities in care. She continues to research these topics, using an extensive database of individuals with tic disorders in France.  

She remains a close collaborator and supporter of ESSTS –the invaluable ESSTS friends, and is also the Podcaster in Chief of the "Gilles is in the air" series.