He was also the Ford Foundation Fellow and the Robert Wood Johnson Health Policy Scholar at Harvard University, Massachusetts. Professor Gillion's first book, The Political Power of Protest (Cambridge, 2013), was the winner of the Best Book Award from the Race, Ethnicity, and Politics Section of the American Political Science Association. His research has also been published in the academic journals Electoral Studies and The Journal of Politics, as well as in the edited volumes of The Oxford Handbook of Political Behavior.