Robert B ZoellickRobert B. Zoellick has served as Deputy Secretary, Under Secretary, and Counselor of the State Department; Ambassador and U.S. Trade Representative; Counselor to the Secretary of the Treasury; Deputy Chief of Staff at the White House; and Presdent of the World Bank. His experience spans six U.S. Presidencies-during the Cold War, in its closing chapter, and into the first decades of the 21^st Century. Zoellick is now a Senior Fellow at the Belfer Center for Science and International Affairs at Harvard University's Kennedy School of Government, where he contributes to the Applied History project. Read More Read Less