Sullivan managed AEI's new Center for Defense Studies, which produces commentary and analysis on a range of strategic, programmatic, and budgetary issues. In addition to his work for the Center, he researched governance and security issues in Afghanistan. In his prior capacity as a research assistant in the AEI Foreign and Defense Policy Studies department, Mr. Sullivan contributed to studies on NATO's efforts in Afghanistan and U.S. security force assistance programs. He is a member of the Center for a New American Security's Next Generation National Security Leaders Program, and he was a 2009 fellow in the German Marshal Fund’s Manfred Wörner Seminar.

Experience

Education