Professor Barber is a neurologist and stroke sub-specialist. He graduated from the Otago Medical School and completed his neurology training in Auckland, New Zealand in 1997. He received a PhD from the University of Melbourne in 2000. His thesis examined the role of diffusion- and perfusion-weighted MRI in identifying patients with the potential to respond to acute stroke therapies. He returned to New Zealand in 2001 and has established a stroke unit at Auckland City Hospital. His research interests include the use of advanced neurophysiology and MRI techniques in stroke. He was appointed the Neurological Foundation of New Zealand Professor of Clinical Neurology in 2008. He chairs the New Zealand National Stroke Network Endovascular Thrombectomy Working Group.