Perry Cammack is the peacebuilding program director at the Rockefeller Brothers Fund. He was formerly a fellow in the Middle East Program at the Carnegie Endowment for International Peace and a lecturer at the Elliott School of International Affairs at George Washington University. He served on the policy planning staff in the office of U.S. Secretary of State John Kerry from 2013 to 2015 and as a senior professional staff member for Senator Kerry on the U.S. Senate Committee on Foreign Relations from 2009 to 2012. On Twitter: @perrycammack.