A Tribute to Professor Mark Hallett, MD (1945–2025)
By Professor Tissa Wijeratne OAM MD PhD FRACP
Trustee, World Federation of Neurology
It is with deep sadness that we mark the passing of Professor Mark Hallett, MD, an eminent neurologist, researcher, and global leader whose work profoundly advanced the understanding of human movement and motor control.
Professor Hallett earned his medical degree from Harvard University, completed his residency at Massachusetts General Hospital, and undertook fellowships in neurophysiology at both the National Institutes of Health (NIH) and the Institute of Psychiatry in London. In 1984, he became Chief of the Human Motor Control Section at the NIH’s National Institute of Neurological Disorders and Stroke (NINDS), a position he held with distinction for four decades. His pioneering studies on the physiology and pathophysiology of movement disorders—including dystonia, parkinsonism, myoclonus, and brain plasticity—had a lasting global impact and shaped modern clinical and research practice.
Professor Hallett’s leadership extended across multiple professional organisations. He served as President of the International Movement Disorder Society (1999–2000), President of the American Association of Electrodiagnostic Medicine, and Vice-President of the American Academy of Neurology. As Editor-in-Chief of World Neurology, he provided steadfast support to the World Federation of Neurology (WFN) and helped strengthen its mission to promote collaboration and knowledge exchange among neurologists worldwide. Under his editorial leadership, World Neurology evolved into a truly international platform for communication and education.
Professor Hallett’s contributions to neuroscience, clinical care, and education have left an enduring legacy. His work continues to influence generations of neurologists, researchers, and clinicians across the globe.
On behalf of the World Federation of Neurology and the global neurology community, we extend our sincere condolences to his family, colleagues, and friends. His scientific legacy and dedication to advancing neurological science will continue to inspire the field for many years to come.
Professor Tissa Wijeratne OAM MD PhD FRACP
Trustee, World Federation of Neurology
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