Leadership Programs Team


Edward WittensteinDirector of International Relations & Leadership Programs 

Edward (“Ted”) Wittenstein is Director of International Relations & Leadership Programs for Yale’s Office of International Affairs, where he works in partnership with faculty, deans, and other key university administrators to advance a wide range of Yale initiatives around the world. He also serves as Executive Director of Yale’s Johnson Center for the Study of American Diplomacy, a program of the Jackson Institute for Global Affairs in collaboration with International Security Studies and the Brady-Johnson Program in Grand Strategy, founded upon the donation of Dr. Henry Kissinger’s papers to Yale. A Lecturer in Global Affairs, Ted teaches undergraduate and graduate courses on intelligence, cybersecurity, and national security decision-making. Ted is a graduate of Yale College and Yale Law School. Before returning to work for Yale, Ted held a variety of positions at the Department of Defense, Commission on the Intelligence Capabilities of the United States Regarding Weapons of Mass Destruction, Office of the Director of National Intelligence, and the Department of State.

Leslie Powell, Associate Director for Leadership Programs and Europe

Leslie oversees the development of senior-level leadership programs and supports the work of Yale schools, centers, and faculty on key projects in Europe. Prior to joining OIA, Leslie directed outreach, media relations, and alumni affairs for the Yale World Fellows Program. Earlier in her career, she was a senior political risk analyst for Eurasia Group, a global advisory and consulting firm, and a contractor for NASA, serving as a liaison to the Russian Space Agency and other former Soviet agencies. Leslie has a Ph.D. in political science from Columbia University and an A.B. from Harvard in Russian and Soviet studies.


Daniela Czerwinski, Associate Director for Program Development and Marketing

Daniela is the Associate Director for Program Development and Marketing at Yale University’s Office of International Affairs. In this role, she is responsible for the development, marketing communications, and recruitment efforts regarding an array of leadership programs. Prior to joining Yale, Daniela held various marketing and finance roles at the Royal Bank of Scotland, Lego Systems, Inc., and Robinson & Cole. She holds a B.S. in marketing communications & advertising (cum laude) and an M.B.A., both from Western New England University. Daniela grew up in Ecuador and speaks fluent Spanish.