Career
He has also done work in measure theory and probability theory, number theory, and approximate subgradients and coderivatives. He is part of a large influx of mathematicians and physicists from the Ashkenazi Jewish population of Europe that arrived in North America during the 20th century. Borwein formerly resided and worked in St. Andrews, Scotland, before moving to London, Ontario where he eventually became Head of Mathematics at the University of Western Ontario.
He was also the president of the Canadian Mathematical Society (CMS). The David Borwein Distinguished Career Award given out by the CMS is named after him. He is currently an active researcher in summability theory, classical analysis, inequalities, matrix transformations, and is professor emeritus at the University of Western Ontario, department of Mathematics.