He is a professor of operations research at the United States Military Academy (West Point), where he also holds the Class of 1950 Chair of Advanced Technology.
[1] Pulleyblank obtained his Ph.D. from the University of Waterloo in 1973; his thesis, supervised by Jack Edmonds, concerned perfect matching theory from the point of view of polyhedral combinatorics.
[2] He worked at IBM beginning in the late 1960s and then returned to academia in 1974,[3] as a professor at the University of Calgary, before moving back to Waterloo in 1982.
[6] The College of Saint Rose, in Albany, New York, and McMaster University, in Ontario, Canada, have both given Pulleyblank honorary degrees.
He is also a recipient of the Alberta Centennial Medal, a fellow of INFORMS, and (since 2010) a member of the National Academy of Engineering.