162 Western University, spends 50 to 60 days each year in classrooms. He collaborates with teachers to design experiences that offer young mathematicians the pleasure of mathematical surprises and insight. He has organized a number of symposia at the Fields Institute investigating the use of computers as tools for teaching mathematics in the classroom, as well as online mathematics education. John R. Gardner, Chairman of the Board of the Fields Institute from 1995 to 2015, holds an Honours BA from the University of Toronto in mathematics and physics, and an MA from Oxford University. A Fellow of the Canadian Institute of Actuaries, he was President of Sun Life Assurance Company of Canada (1986–96). He joined the Fields Board after serving for nine years on the Governing Council of the University of Toronto. A mountain trekker, he has walked many of the European medieval pilgrims’ routes and maintains an active interest in Spanish history and culture. Steve Halperin is Professor of Mathematics and a former Dean of Science (1999–2011) at the University of Maryland. He is a former Professor and Chair of Mathematics at the University of Toronto, a member of the first Fields Institute Board of Directors, and a founding Principal Investigator of Mitacs. He is a Fellow of the Royal Society of Canada, of the Fields Institute, and a Chevallier of the Ordre des Palmes Académiques (France). With Derek Corneil, he wrote the proposal to bring the Fields Institute to Toronto. Ian Hambleton is the current Director of the Fields Institute. He received his PhD from Yale University and was an L.E. Dickson instructor at the University of Chicago before joining McMaster University, where he served as Chair of the Department of Mathematics for three terms. He spent two years as a Member of the School of Mathematics at the Institute for Advanced Study in Princeton. Bradd Hart has been a professor at McMaster since 1989.