Scott D. Sagan is Co-Director and Senior Fellow at the Center for International Security and Cooperation, the Caroline S.G. Munro Professor of Political Science, and the Bass University Fellow in Undergraduate Education at Stanford University. He also serves as Co-Chair of the American Academy of Arts and Sciences’ Committee on International Security Studies. Before joining the Stanford faculty, Sagan was a lecturer in the Department of Government at Harvard University and served as special assistant to the director of the Organization of the Joint Chiefs of Staff in the Pentagon.

Sagan is the author of Moving Targets: Nuclear Strategy and National Security (Princeton University Press, 1989); The Limits of Safety: Organizations, Accidents, and Nuclear Weapons (Princeton University Press, 1993); and, with co-author Kenneth N. Waltz, The Spread of Nuclear Weapons: An Enduring Debate (W.W. Norton, 2012). He is the co-editor of Insider Threats (Cornell University Press, 2017) with Matthew Bunn; and co-editor of The Fragile Balance of Terror (Cornell University Press, 2022) with Vipin Narang. Sagan was also the guest editor of a two-volume special issue of Daedalus: Ethics, Technology, and War (Fall 2016) and The Changing Rules of War (Winter 2017).

Recent publications include “Creeds and Contestation: How US Nuclear and Legal Doctrine Influence Each Other,” with Janina Dill, in a special issue of Security Studies (December 2025); “Kettles of Hawks: Public Opinion on the Nuclear Taboo and Noncombatant Immunity in the United States, United Kingdom, France, and Israel”, with Janina Dill and Benjamin A. Valentino in Security Studies (February 2022); “The Rule of Law and the Role of Strategy in U.S. Nuclear Doctrine” with Allen S. Weiner in International Security (Spring 2021); “Does the Noncombatant Immunity Norm Have Stopping Power?” with Benjamin A. Valentino in International Security (Fall 2020); and “Just War and Unjust Soldiers: American Public Opinion on the Moral Equality of Combatants” and “On Reciprocity, Revenge, and Replication: A Rejoinder to Walzer, McMahan, and Keohane” with Benjamin A. Valentino in Ethics & International Affairs (Winter 2019).

In 2022, Sagan was awarded Thérèse Delpech Memorial Award from the Carnegie Endowment for International Peace at their International Nuclear Policy Conference. In 2017, he received the International Studies Association’s Susan Strange Award which recognizes the scholar whose “singular intellect, assertiveness, and insight most challenge conventional wisdom and intellectual and organizational complacency" in the international studies community. Sagan was also the recipient of the National Academy of Sciences William and Katherine Estes Award in 2015, for his work addressing the risks of nuclear weapons and the causes of nuclear proliferation. The award, which is granted triennially, recognizes “research in any field of cognitive or behavioral science that advances understanding of issues relating to the risk of nuclear war.” In 2013, Sagan received the International Studies Association's International Security Studies Section Distinguished Scholar Award. He has also won four teaching awards: Stanford’s 1998-99 Dean’s Award for Distinguished Teaching; Stanford's 1996 Hoagland Prize for Undergraduate Teaching; the International Studies Association’s 2008 Innovative Teaching Award; and the Monterey Institute for International Studies’ Nonproliferation Education Award in 2009.     

At Stanford, in addition to his work for the Southeast Asia Program and his affiliations with CDDRL and the Abbasi Program in Islamic Studies, Donald Emmerson has taught courses on Southeast Asia in East Asian Studies, International Policy Studies, and Political Science. He is active as an analyst of current policy issues involving Asia. In 2010 the National Bureau of Asian Research and the Woodrow Wilson International Center for Scholars awarded him a two-year Research Associateship given to “top scholars from across the United States” who “have successfully bridged the gap between the academy and policy.”

Emmerson’s research interests include Southeast Asia-China-US relations, the South China Sea, and the future of ASEAN. His publications, authored or edited, span more than a dozen books and monographs and some 200 articles, chapters, and shorter pieces.  Recent writings include The Deer and the Dragon: Southeast Asia and China in the 21st Century (ed., 2020); “‘No Sole Control’ in the South China Sea,” in Asia Policy  (2019); ASEAN @ 50, Southeast Asia @ Risk: What Should Be Done? (ed., 2018); “Singapore and Goliath?,” in Journal of Democracy (2018); “Mapping ASEAN’s Futures,” in Contemporary Southeast Asia (2017); and “ASEAN Between China and America: Is It Time to Try Horsing the Cow?,” in Trans-Regional and –National Studies of Southeast Asia (2017).

Earlier work includes “Sunnylands or Rancho Mirage? ASEAN and the South China Sea,” in YaleGlobal (2016); “The Spectrum of Comparisons: A Discussion,” in Pacific Affairs (2014); “Facts, Minds, and Formats: Scholarship and Political Change in Indonesia” in Indonesian Studies: The State of the Field (2013); “Is Indonesia Rising? It Depends” in Indonesia Rising (2012); “Southeast Asia: Minding the Gap between Democracy and Governance,” in Journal of Democracy (April 2012); “The Problem and Promise of Focality in World Affairs,” in Strategic Review (August 2011); An American Place at an Asian Table? Regionalism and Its Reasons (2011); Asian Regionalism and US Policy: The Case for Creative Adaptation (2010); “The Useful Diversity of ‘Islamism’” and “Islamism: Pros, Cons, and Contexts” in Islamism: Conflicting Perspectives on Political Islam (2009); “Crisis and Consensus: America and ASEAN in a New Global Context” in Refreshing U.S.-Thai Relations (2009); and Hard Choices: Security, Democracy, and Regionalism in Southeast Asia (edited, 2008).

Prior to moving to Stanford in 1999, Emmerson was a professor of political science at the University of Wisconsin-Madison, where he won a campus-wide teaching award. That same year he helped monitor voting in Indonesia and East Timor for the National Democratic Institute and the Carter Center. In the course of his career, he has taken part in numerous policy-related working groups focused on topics related to Southeast Asia; has testified before House and Senate committees on Asian affairs; and been a regular at gatherings such as the Asia Pacific Roundtable (Kuala Lumpur), the Bali Democracy Forum (Nusa Dua), and the Shangri-La Dialogue (Singapore). Places where he has held various visiting fellowships, including the Institute for Advanced Study and the Woodrow Wilson International Center for Scholars. 



Emmerson has a Ph.D. in political science from Yale and a BA in international affairs from Princeton. He is fluent in Indonesian, was fluent in French, and has lectured and written in both languages. He has lesser competence in Dutch, Javanese, and Russian. A former slam poet in English, he enjoys the spoken word and reads occasionally under a nom de plume with the Not Yet Dead Poets Society in Redwood City, CA. He and his wife Carolyn met in high school in Lebanon. They have two children. He was born in Tokyo, the son of U.S. Foreign Service Officer John K. Emmerson, who wrote the Japanese Thread among other books.