Mary M. Reilly graduated from University College Dublin in 1986, received her MD in 1996, FRCP in 2002 and FRCPI in 2003. She was appointed a consultant neurologist at the National Hospital for Neurology and Neurosurgery, Queen Square in 1998 and a Professor of Clinical Neurology at UCL in 2010. She leads the peripheral nerve clinical and research group and is head of the Division of Clinical Neurology in UCL Queen Square Institute of Neurology. She runs a research program in the inherited neuropathies encompassing gene identification, pathogenetic studies, natural history studies, development of outcome measures and conducting clinical trials. Recent research highlights include the identification of a new autosomal recessive pentanucleotide intronic repeat expansion as a cause of the most common adult-onset hereditary ataxia, CANVAS syndrome and the development of a MRI neuromuscular protocol as a responsive outcome measure for inherited neuropathies. She is the immediate Past President of the Association of British Neurologist (ABN), a past President of the British Peripheral Nerve Society (BPNS), and a past President of the international Peripheral Nerve Society (PNS). She was elected a Fellow of the Academy of Medical Sciences in 2020.