Security

FSI scholars produce research aimed at creating a safer world and examing the consequences of security policies on institutions and society. They look at longstanding issues including nuclear nonproliferation and the conflicts between countries like North and South Korea. But their research also examines new and emerging areas that transcend traditional borders – the drug war in Mexico and expanding terrorism networks. FSI researchers look at the changing methods of warfare with a focus on biosecurity and nuclear risk. They tackle cybersecurity with an eye toward privacy concerns and explore the implications of new actors like hackers.

Along with the changing face of conflict, terrorism and crime, FSI researchers study food security. They tackle the global problems of hunger, poverty and environmental degradation by generating knowledge and policy-relevant solutions. 

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Scott Sagan has several pieces of advice for young scholars coming up in the field of international security: pick worthy opponents, pick and invest in worthy friends, recruit and promote independent-minded students. And always be open to debate.

“You remember your jobs, your tenure, you remember your first book when it comes out and you hold it in your hands,” Sagan told some 300 scholars and former CISAC honors students and fellows as he was named the 2013 Distinguished Scholar in International Security Studies by the International Studies Association.

“You remember the times when sometimes, remarkably, you feel like you’ve had some policy impact. But among the things that I will always remember is tonight, because getting this award is wonderful,” Sagan said during the ceremony in San Francisco.

Sagan, a political science professor and senior fellow at CISAC and FSI, was praised during the ISA event for his contributions to the study of nuclear nonproliferation and his mentorship of many students who count him as a pivotal person in their professional lives.

“Scott is a truly outstanding and remarkably unusual mentor,” said George Perkovich, vice president for studies at the Carnegie Endowment for International Peace. “One of the greatest ways for a scholar to affect the world is to mentor very talented young people. They may go on to be scholars or go into government or business or the news media – all of these enterprises that combine, in messy ways, to produce real-world action.”

Sagan – who founded the CISAC Honors Program in 2000 when he was co-director – is known on campus for his simulation classes and field trips to American battlefields. He has written nine books, dozens of articles and has been cited in thousands of publications related to nuclear nonproliferation and weapons of mass destruction, the development of first-use norms and the management of hazardous technology and South Asia.

  Scott literally changed my professional life." - Vipin NarangA panel discussion at the ISA’s annual convention – the largest gathering of security scholars in the world – was convened to give an overview of Sagan’s contributions to scholarship and teaching. It was at times political, at times moving – and at times felt like a roast, with plenty of ribbing about Sagan’s seemingly perfect hair and owl-eyed glasses.

“He has the most perfect hair of any senior scholar,” said Vipin Narang, a former CISAC honors student. “He used to have these round glasses, such that when I first saw him in 2000, I thought, `This is what Harry Pottery will look like in 40 years.’”

Peter D. Feaver, a professor of political science and public policy at Duke University, recalled the first time he met Sagan. He was a poor graduate student living on macaroni and cheese, flying back from a research trip when he passed Sagan in first class.

“As I walked down the aisle, I see out of the corner of my eye this very distinguished guy with flecks of gray hair, probably a movie star, sitting up in first class,” Feaver said. “I was feeling a bit sorry for myself, but then I said to myself, `But I’m pursuing the life of the mind and those people up there, they are crass materialists who are working in Hollywood or whatever.’”

Feaver, who worked in both the Bill Clinton and George W. Bush administrations, said it finally came to him that the distinguished gentleman in first class was Sagan.

“He graciously came back for a little while to give me some words of encouragement – and he’s been giving me words of encouragement from first class ever since.”

Past winners of the annual prize have included such notable scholars as Jack Snyder, Robert Jervis, Thomas Schelling and Sagan’s renown writing partner, Kenneth Waltz. Sagan and Waltz argue for and against nuclear nonproliferation, respectively, in their landmark book, “The Spread of Nuclear Weapons: A Debate.”

     We’re all involved in the same enterprise: trying to find truth and trying to make an impact.” - SaganNina Tannenwald, a senior lecturer in political science at Brown University whose work focuses on international institutions, norms and global security issues, said she and Sagan don’t always agree on policy, but that she rarely disagrees with his methods. She credits Sagan with making great contributions to nuclear nonproliferation norms.

“Scott’s interest in norms is reflected in his policy work and I want to talk here about his article, “The Case for No First Use,” which was published in Survival in 2009,” said Tannenwald, author of “The Nuclear Taboo” and currently a Franklin Fellow in the Bureau of International Security and Nonproliferation in the U.S. State Department.

“His argument about no first-use has been made in the past by others, but Scott’s contribution is to make a very sophisticated case that declaratory policy matters,” Tannenwald said. “Now realists of course think that declaratory policy is cheap talk. But Scott makes the very constructivist argument that declaratory policy matters for both military planning domestically and internationally.”

Other scholars who spoke in praise of Sagan included Charles Perrow, a professor emeritus in sociology at Yale University and Todd Sechser, an assistant professor of politics at University of Virginia, as well as handful of former Stanford students.

Narang, a Stanton nuclear fellow at CISAC this academic year, gave a a moving tribute to Scott’s role as mentor. He was a Stanford senior in 2000, majoring in chemical engineering and bored by his lab work, when he took one of Sagan’s classes.

The proverbial light bulb went off in his head.

“Scott literally changed my professional life,” said Narang, recruited by Sagan for the first CISAC honors class. He recalled how Sagan taught him how to write his thesis about India’s chemical weapons program using the classic social science method: find a puzzle, come up with a theory to solve it, establish alternative explanations – and then test it.

“I would have been an unhappy researcher in rural Pennsylvania playing with bacteria if not for Scott’s vision to found the honors programs and to take undergraduates and train them in a hands-on way about the social science process,” Narang said.

Today, Narang is an assistant professor of political science at the University of Wisconsin-Madison focused on nuclear nonproliferation and South Asian security.

He said Sagan is know as “Scott Singh Sagan” in South Asia due to his pioneering book, “Inside Nuclear South Asia,” which is widely cited by Pakistani and Indian scholars.

“It has been probably the most foundational work in the study of South Asia nuclear weapons in the field,” Narang said. “And in addition to the scholarship and the influence he’s had on young scholars such as myself in this area, he has been responsible for bringing Indian and Pakistani military fellows to CISAC for sort of his own Track II discussions that have helped Indians and Pakistanis understand each other’s doctrines.”

Sagan, drawing the event to a close with his advice to young security scholars, said that choosing the right professional opponents and personal friends would impact their lives.

“Pick worthy opponents. Argue with them. Ken Waltz; what more worthy opponent to have?” Sagan said. “Pick and invest in worthy friends and some of the people who are the opponents intellectually will become the friends personally, because we’re all involved in the same enterprise: trying to find truth and trying to make an impact.”

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CISAC Affiliate Rodney Ewing, Chairman of the U.S. Nuclear Waste Technical Review Board and Professor at the University of Michigan, testified before the Subcommittee on Energy and Water Development of the U.S. House of Representatives.

In this testimony, he discusses the approval process for disposal of nuclear waste, what can be learned from the failure of the Yucca Mountian Project and other nuclear waste projects globally. 

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Rodney C. Ewing
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About the topic: The Office of the UN High Commissioner for Refugees approached CISAC last year to collaborate on a project to improve conditions among global refugee communities.  This has led to a multidisciplinary partnership involving CISAC, students from across the Stanford campus and at the Hasso Plattner Institute of Design. Professors, NGOs, physicians, architects and other professionals have all volunteered time and expertise.  The project led to a Law School class, "Rethinking Refugee Communities," co-taught by CISAC's Tino Cuéllar and IDEO's Leslie Witt.  Four students representing teams from the class recently traveled to refugee camps in western Ethiopia on the border with Sudan.  They conducted field research for their projects focused on camp communications; early camp setup and registration; food security and economic sustainability; and host community relations.

Speakers include:

Parth Bhakta, Co-term senior and first-year graduate student, Computer Science

Beth Duff-Brown,Communications and Editorial Manager, CISAC

Jessica Miranda Garcia, Second-year graduate student, International Policy Studies

Benjamin Rudolph, Senior, Computer Science

Devorah West, Second-year graduate student, International Policy Studies

Mariano-Florentino Cuéllar (Host), Co-Director, CISAC; Co-Instructor, “Rethinking Refugee Communities” 

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Jon Lindsay Research Fellow Speaker IGCC
Timothy Junio Cybersecurity Fellow Speaker CISAC
Jonathan Mayer Cybersecurity Fellow Commentator CISAC
Andrew K. Woods Cybersecurity Fellow Commentator CISAC
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Two of CISAC's scholars, William J. Perry and Jeremy Weinstein, received honors in recognition of their groundbreaking work in international affairs.

Paying homage to William J. Perry's lifetime commitment to national security, the National Defense University renamed its Center for Hemispheric Defense Studies the William J. Perry Center for Hemispheric Defense Studies in a ceremony with U.S. Deputy Secretary of Defense Dr. Ashton Carter and Acting Perry Center Director Ken LaPlante.

At a meeting of regional defense ministers in 1996, then-U.S. Secretary of Defense William J. Perry proposed the establishment of a center where civilian and military leaders in the Western Hemisphere could collaborate on defense and international security. Today, the Perry Center is the pre-eminent academic institution for defense and security issues affecting the Americas. Perry is the Michael and Barbara Berberian Professor (emeritus) at FSI and a CISAC faculty member.

Professor Jeremy M. Weinstein received the prestigious Karl Deutsch Award from the International Studies Association, following in the foosteps of four other CISAC scholars who have received the award. The ISA recognizes scholars younger than 40 - or within 10 years of defending their dissertation - who have made the most significant contributions to the study of international relations and peace.

Weinstein, former Director for Development and Democracy on the National Security Council staff at the White House, is a leading international scholar in the study of civil war, political violence, international political economy and democracy. He is an associate professor of political science and a CISAC affiliated faculty member. 

 

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Jeremy Weinstein (left) and William J. Perry (right), 2013.
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In an homage to William J. Perry's lifetime commitment to national security, the National Defense University has renamed its Center for Hemispheric Defense Studies the William J. Perry Center for Hemispheric Defense Studies. U.S. Deputy Secretary of Defense Dr. Ashton Carter and Acting Perry Center Director Ken LaPlante gave remarks.

At a meeting of regional defense ministers in 1996, U.S. Secretary of Defense William J. Perry proposed creating a center where civilian and military leaders in the Western Hemisphere could collaborate on defense and international security issues. Today, the Perry Center is the pre-eminent academic institution for defense and security issues affecting the Americas.

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William J. Perry meets with students involved in his project to educate the public about the threat of nuclear weapons.
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The Stanford Law School celebrated CISAC Co-Director Tino Cuéllar’s new book, Governing Security: The Hidden Origins of American Security Agencies, which was recently published by Stanford University Press.

“I love a book party because we’re all devoted to the advancement of knowledge, but we all know it’s really hard to do and it’s not always appreciated when we do it,” Stanford Law School Dean Mary Elizabeth Magill told a gathering of law faculty to honor the book by Cuéllar, a law professor who also will be the next director of CISAC’s umbrella organization, the Freeman Spogli Institute for International Studies. The law faculty were also honoring law professor Michele Landis Dauber’s new book, “The Sympathetic State: Disaster Relief and the Origins of the American Welfare State.”

Cuéllar’s book explores the history of two major federal agencies: the Roosevelt-era Federal Security Agency – today the Department of Health and Human Services – and the Department of Homeland Security, established in the wake of the 9/11 terrorist attacks. Through the stories of both agencies, Cuéllar shows how Americans often end up choosing security goals through overlapping ambitions and conflicts over agency autonomy, presidential power and gut reactions to national security crises.

“More than other academic monographs which tend to be dry, impersonal affairs, I could see the person behind the prose in this book,” David Engstrom, an assistant law professor, told the gathering. “In the introduction, Tino crafts a beautiful metaphor by noting how easy it is to stand just to the north of the United States-Mexico border and to think that it’s somehow timeless, and to forget that it was state action that made that border such a consequential part of the social world for so many people. Now as you read, you soon realize that this book really isn’t about nation-state borders, in that sense, but rather about the border between domestic policy and national security and about the boundaries between public agencies.

“But then you also realize,” Engstrom continued, “Who better than Tino, who grew up along that U.S.-Mexico border, first to see and then to show us how seemingly arbitrary borders and boundaries can, through administrative action, become so consequential.”

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The Islamic Republic of Iran continues to defy UN Security Council resolutions calling for an end to its uranium enrichment program. Is Iran trying to develop nuclear weapons, as many fear, or does it just want to produce nuclear energy, as the Tehran government claims? What would be the likely consequences if Iran does get the bomb? What diplomatic and military options are available to address this serious crisis? Four expert panelists will discuss this issue.

Abbas Milani Hamid and Christina Moghadam Director of Iranian Studies; Visiting Professor in the department of Political Science; Co-director of the Iran Democracy Project; CDDRL Affiliated Faculty Speaker
Abraham Sofaer George P. Shultz Senior Fellow in Foreign Policy and National Security Affairs, Hoover Institution, Stanford Speaker

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Målfrid Braut-Hegghammer is an Associate Professor of Political Science at the University of Oslo. She first joined CISAC as a visiting associate professor and Stanton nuclear security junior faculty fellow in September 2012, and was a Stanford MacArthur Visiting Scholar between 2013-15. Between 2008 and 2010 she was a predoctoral and postdoctoral fellow at Harvard University's Belfer Center for Science and International Affairs. Braut-Hegghammer received her PhD, entitled “Nuclear Entrepreneurs: Drivers of Nuclear Proliferation” from the London School of Economics in 2010. She received the British International Studies Association’s Michael Nicholson Thesis Prize that same year for her work.

 

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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 DaedalusEthics, 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.     

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Jeremy M. Weinstein, an associate professor of political science and a senior fellow at Stanford’s Freeman Spogli Institute for International Studies, received the Karl Deutsch Award from the International Studies Association (ISA).

The award recognizes scholars younger than 40 - or within 10 years of defending their dissertation - who have made the most significant contributions to the study of international relations and peace research.

Weinstein, 37, focuses his research on civil wars and political violence; ethnic politics and the political economy of development; and democracy, accountability, and political change. He is the Ford Dorsey Director of Stanford’s Center for African Studies and is also an affiliated faculty member at the Center on Democracy, Development, and the Rule of Law and the Center for International Security and Cooperation.

He was presented with the award on April 4 by ISA, which promotes research and education in international affairs.

Other Stanford researchers who received the award include Michael Tomz (2011), Kenneth A. Schultz (2003), and James D. Fearon (1999).

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