Dion received a BA in Latin American studies with a concentration in government from the University of Texas at Austin in 1996.
[1] After completing her PhD in 2002, Dion became an assistant professor in the Sam Nunn School of International Affairs at the Georgia Institute of Technology.
[1] She has also taught at the Monterrey Institute of Technology and Higher Education[1] and the Inter-university Consortium for Political and Social Research.
[2] Dion's book, Workers and Welfare: Comparative Institutional Change in Twentieth-Century Mexico, was published in 2010.
[10] She has also been credited with playing a "pivotal role" in McMaster University's efforts to fix its gendered pay gap,[5] as she authored a study on the topic[11] which prompted the university to reduce its pay gap by raising the salaries of the women on its faculty.