Denis G. Rancourt was a tenured and full professor at the University of Ottawa in Canada. He was trained as a physicist and practiced physics, Earth sciences, and environmental science, areas in which he was funded by a national agency and ran an internationally recognized laboratory.
He published over 100 articles in leading scientific journals. He developed popular activism courses and was an outspoken critic of the university administration and a defender of Palestinian rights.
He was fired for his dissidence in 2009 by a president who is a staunch supporter of Israeli policy. He is the author of the 2013 book "Hierarchy and Free Expression in the Fight Against Racism".