He distinguished himself as a teacher and administrator at the University of Waterloo, serving in various positions including associate dean of arts.
Stubbs was appointed president of Trent University in 1987, a post that he held until 1993, when he was appointed for a five-year term as president of Simon Fraser University in British Columbia.
In 1997, he was forced to resign for his mishandling of a controversial sexual harassment case.
In 1998, he was appointed a board member of the Canada Millennium Scholarship Foundation.
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