Ian Johnstone has served in the United Nations’ Executive Office of the Secretary-General. His most recent books include "The Oxford Handbook on International Organizations" (Co-editor, Oxford University Press, 2016); "Law and Practice of the United Nations, 2nd edition" (co-author, Oxford University Press, 2016); and "The Power of Deliberation: International Law, Politics and Organizations" (Oxford University Press, 2011).
From 2005-2007, he was the lead author and founding editor of the Annual Review of Global Peace Operations. He is currently on the editorial boards of Global Governance Journal and International Organizations Law Review.
Johnstone, recipient of the James L. Paddock Teaching Award in 2005, teaches courses in international organizations and peace operations. He continues to serve as a regular consultant to the United Nations and is a Non-Resident Senior Fellow at the Center on International Cooperation.