Long previously worked as an associate political scientist for the RAND Corporation, serving in Iraq as an analyst and advisor to the Multinational Force Iraq and the U.S. military. He also worked as a consultant to MIT Lincoln Laboratory, on a study of technology and urban operations in counterinsurgency.
Long is the author of Deterrence - From Cold War to Long War: Lessons from Six Decades of RAND Research and On "Other War": Lessons from Five Decades of RAND Counterinsurgency Research.
Long was co-founder of the Working Group on Insurgency and Irregular Warfare at the MIT Center for International Studies and is a participant in the RAND Counterinsurgency Board of Experts. He has also taught on international security at Clark University.
Long has a BS from the Georgia Institute of Technology and a PhD from the Massachusetts Institute of Technology (MIT).