Dr. Cohn's research and publications focus on military organizations, civil-military relations, international law of war, and foreign policy/public opinion. She has been invited to speak on civil-military relations or military manpower issues in the U.S., Germany, France, and Denmark. She has split her time between academic and policy work, and serves on the boards of the Inter-university Seminar on Armed Forces and Society, APSA's section on International Security and Arms Control, and the editorial boards of the journals Res Militaris and Armed Forces and Society.