Susan Colbourn is a Ph.D. Candidate in the Department of History at the University of Toronto and a fellow at the Bill Graham Centre for Contemporary International History.

She is an international historian interested in the global Cold War, transatlantic relations, nuclear history, and archival declassification. Her current research focuses on the Atlantic Alliance and transatlantic debates over how to manage East-West relations during the 'crisis of detente' in the late 1970s and 1980s.

Prior to her doctorate, she received an MA from the London School of Economics and Political Science and an Hon. BA from Trinity College at the University of Toronto.

She tweets occasionally at @secolbourn.