Educated at
Wellington School, Wellington, Somerset, UK, St George-Hyslop completed his medical training in Canada, graduating with the
MD degree in 1976, and then pursuing post-doctoral research in internal medicine and neurology at the University of Ottawa and the
University of Toronto and
Harvard Medical School. He served his first appointment at Harvard's
Massachusetts General Hospital, where he taught molecular genetics and neurology from 1987 to 1991. He was appointed to the University of Toronto in 1991, and since 2003 has held the university's highest rank of University Professor. From 1995 to 2018, St George-Hyslop served as the director of the
Tanz Centre for Research in Neurodegenerative Diseases at the
University of Toronto Faculty of Medicine. In 2007, St George-Hyslop was appointed Professor of Experimental Neuroscience at the
University of Cambridge. Since 2007 St George-Hyslop has headed an Alzheimer's disease research program as Professor of Experimental Neuroscience at the
University of Cambridge. ==Research==