Stanford University

Countering Terrorism: What Works?

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The Obama administration has adopted a new policy toward terrorism, rejecting the "war on terror" for a more nuanced approach. Is the new strategy likely to be more effective than the old in destroying Al Qaida and preventing future violence from extremists?

Martha Crenshaw is a senior fellow at the Center for International Security and Cooperation and the Freeman Spogli Institute, and professor of political science (by courtesy). Her current research focuses on why the United States is the target of terrorism, the effectiveness of counter terrorism policies, and mapping terrorist organizations. Professor Crenshaw served on the Executive Board of Women in International Security and chaired the American Political Science Association (APSA) Task Force on Political Violence and Terrorism. She was a Guggenheim Fellow in 2005-2006. Her edited book, The Consequences of Counterterrorism in Democracies, is being published by the Russell Sage Foundation.

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Martha Crenshaw

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Senior Fellow at the Freeman Spogli Institute for International Studies, Emerita
Professor, by courtesy, of Political Science, Emerita
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Martha Crenshaw is a senior fellow emerita at CISAC and FSI. She taught at Wesleyan University in Middletown, Connecticut, from 1974 to 2007.  She has published extensively on the subject of terrorism.  In 2011 Routledge published Explaining Terrorism, a collection of her previously published work.  A book co-authored with Gary LaFree titled Countering Terrorism was published by the Brookings Institution Press in 2017. She recently authored a report for the U.S. Institute of Peace, “Rethinking Transnational Terrorism:  An Integrated Approach”.

 

 She served on the Executive Board of Women in International Security and is a former President and Councilor of the International Society of Political Psychology (ISPP). In 2005-2006 she was a Guggenheim Fellow. She was a lead investigator with the National Consortium for the Study of Terrorism and the Response to Terrorism (START) at the University of Maryland from 2005 to 2017.  She is currently affiliated with the National Counterterrorism, Innovation, Technology, and Education (NCITE) Center, also a Center of Excellence for the Department of Homeland Security.  In 2009 the National Science Foundation/Department of Defense Minerva Initiative awarded her a grant for a research project on "mapping terrorist organizations," which is ongoing.  She has served on several committees of the National Academy of Sciences.  In 2015 she was elected a Corresponding Fellow of the British Academy.  She is the recipient of the International Studies Association International Security Studies Section Distinguished Scholar Award for 2016. Also in 2016 Ghent University awarded her an honorary doctorate.  She serves on the editorial boards of the journals International Security, Security Studies, Dynamics of Asymmetric Conflict, Orbis, and Terrorism and Political Violence.

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Special IPS-CISAC Colloquium - Beyond Hearts and Minds: The Impact of Afghan Political Disenchantment on US Options in Afghanistan

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With a flawed Afghan election and a request for more troop increases by General Stanley McChrystal, there is renewed attention toward whether and how the United States can turn the situation in Afghanistan around. Several options for going forward have been proposed: a resource- and manpower-heavy counterinsurgency strategy; a more scaled down counterterrorism campaign; and various models in between those extremes. Yet regardless of which option is chosen a key ingredient of success will be the degree to which Afghan communities are invested. Unfortunately, regaining their trust and confidence will be no small task given the current environment. High civilian casualties and a corresponding failure to protect Afghans from the daily brutality of insurgents, criminal groups, and warlords lead Afghans to regard international military as impotent, malevolent, or both. Though billions have been spent to build schools, support economic development, and other initiatives, corruption, security concerns, and mismanagement lead Afghans to view these projects as symbols of Afghan and international fecklessness and failure rather than reasons to cast their lot with them in the future. Successful Taliban propaganda, often based on legitimate community grievances, has further fueled mistrust between the Afghan population and those who are supposed to be protecting their interests. 

While there has been much talk about enhancing the legitimacy of the Afghan government and winning "hearts and minds", it seems unlikely that elections or military slush funds will get anywhere near what Afghan communities perceive as the problem. Based in large part on on-the-ground observations and discussions with Afghan civil society groups, this talk will focus on some of these community perceptions and narratives about what is fueling the conflict with a view toward better analyzing the strategic implications.

Erica Gaston is a human rights lawyer consulting on civilian casualties for the Open Society Institute in Afghanistan and Pakistan. She first visited Afghanistan in 2007 to conduct research for a legal study on private security companies, and then moved to Kabul in 2008 with the Campaign for Innocent Victims in Conflict (CIVIC), whose mission is to encourage warring parties to provide compensation, victim assistance, recognition or other redress to victims of conflict. In addition to her work with CIVIC, she worked extensively with the Afghanistan Independent Human Rights Commission, and was the lead editor on their 2008 report on the conduct of pro-government forces in Afghanistan. She also worked with the Afghan NGO WADAN, which focuses on grassroots civic education, governance and human rights advocacy.

In addition to her work in Afghanistan and Pakistan, Erica has also been involved in other human rights documentation and advocacy related to the Israel-Hezbollah conflict in the summer of 2006, situations of ethnic conflict in Ethiopia, cluster munition use, among others.  She has also published legal articles related to the accountability of private security companies, issues and problems inherent in the humanitarian project, and the improvement of emergency preparedness for homeland security and counter-terrorism purposes. She is a blog contributor to the Huffington Post and has provided commentary on CNN, BBC, Al Jazeera, CBC, and other local and international radio programming.

Erica graduated from Harvard Law School in 2007. She graduated with a B.A. in International Relations, with honors in International Security, from Stanford University.

CISAC Conference Room

Erica Gaston Consultant on Civilian Casualties in Afghanistan and Pakistan, Open Society Institute Speaker
Conferences

2009-10 CISAC fellows and visiting scholars

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CISAC is pleased to announce fellows and visitors in residence at the Center during the 2009-10 academic year.

  • Max Abrahms
    University of California, Los Angeles, Department of Political Science
    Strategic Logic of Terrorism
  • Undraa Agvaanluvsan
    Lawrence Livermore National Laboratory Nuclear Experimental Group
    Energy, Security, and Economic Implications of Nuclear Industry Development in Mongolia
  • Chaim Braun
    CISAC
    Nuclear Power Growth and its Nonproliferation Implications in India, the Middle East, the Korean Peninsula, and South America
  • Sarah Zukerman Daly
    Massachusetts Institute of Technology, Department of Political Science
    Guns, Politics or Bankruptcy: Disentangling the Determinants of Armed Organizations Post-war Trajectories
  • Matthias Englert
    Darmstadt University of Technology, Interdisciplinary Research Group in Science Technology and Security
    Managing the Proliferation Risks of Gas Centrifuges - Technical and Political Measures
  • Andrea Everett
    Princeton University, Department of Politics
    Responding to Catastrophe: Democratic Society and the Origins of Humanitarian Intervention
  • Kelly Greenhill
    Tufts University and Research Fellow, Harvard University
    Fear Factor: Understanding the Origins and Consequences of Beliefs about National Security and the Threats We Face
  • Tom Isaacs
    Director, Office of Planning and Special Studies, Lawrence Livermore National Laboratory
    Internationalization of the Nuclear Fuel Cycle and the Role of the U.S.
  • Joseph Martz
    Los Alamos National Laboratory
  • Katherine Marvel
    University of Cambridge, Department of Applied Mathematics and Theoretical Physics
    Nuclear Energy in Africa: Utility, Feasibility, and Security
  • Emily Meierding
    University of Chicago, Department of Political Science
    Fueling Conflict, Facilitating Peace: Oil & International Territorial Disputes
  • Eric Morris
    Ford Dorsey Program in International Policy Studies
    Civilian Capacity for Peace Operations
  • Charles Perrow
    Yale University, Department of Sociology
  • Brenna Powell
    Harvard University, Department of Government and Social Policy
    Normalizing Security After Conflict: Jobs for the Boys and Justice for the Hoods
  • Arian Pregenzer
    Sandia National Laboratories, Department of Cooperative International Programs
    International Technical Cooperation to Support Arms Control and Nonproliferation: Review of Past Approaches, Identification of Lessons Learned, and Recommendations for the Future
  • William Reckmeyer
    San Jose State University, Department of Anthropology
    Systemic Connections: Developing an Integrated National Strategy to Promote International Security and Cooperation
  • Jefferey Richardson,
    Lawrence Livermore National Laboratory
    Science as a Tool for International Engagement
  • Robert Rosner
    University of Chicago, Distinguished Service Professor, Departments of Astronomy & Astrophysics and Physics, and Laboratory Director, Argonne National Laboratory
  • Jan Stupl
    University of Hamburg, Institute for Peace Research and Security Policy
    Missile Technology Control Regime
  • Michael Sulmeyer
    Stanford Law School
  • Phil Taubman
    Former Associate Editor and Reporter, The New York Times
  • Jianqun Teng
    China Arms Control and Disarmament Association
    Nuclear Free World Initiative in the Context of Sino-U.S. Relations
  • John Vitacca
    United States Air Force
    Nuclear Policy Issues
  • Gang Zhao
    Chinese Academy of S & T for Development (CASTED)
    Deepening the China-U.S. Relationship through Collaboration in Science and Technology with Particular Attention to Alternative Energy Solutions
  • Yunhua Zou
    General Armaments Department, People's Liberation Army, China
    Space Arms Control; Security Cooperation with China; U.S.-China Relations

 

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Martha Crenshaw awarded $500,000 to study terrorist patterns

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Martha Crenshaw, a senior fellow at the Center for International Security and Cooperation (CISAC), has been awarded $500,000 by the National Science Foundation to identify patterns in the evolution of terrorist organizations and to analyze their comparative development.

The three-year grant is part of the Department of Defense's Minerva Initiative launched in 2008, which focuses on "supporting research related to basic social and behavioral science of strategic importance to U.S. national security policy."

Crenshaw's interdisciplinary project, "Mapping Terrorist Organizations," will analyze terrorist groups and trace their relationships over time. It will be the first worldwide, comprehensive study of its kind-extending back to the Russian revolutionary movement up to Al Qaeda today.

"We want to understand how groups affiliate with Al Qaeda and analyze their relationships," Crenshaw said. "Evolutionary mapping can enhance our understanding of how terrorist groups develop and interact with each other and with the government, how strategies of violence and non-violence are related, why groups persist or disappear, and how opportunities and constraints in the environment change organizational behavior over time."

According to Crenshaw, it is critical to understand the organization and evolution of terrorism in multiple contexts. "To craft effective counter-terrorism strategies, governments need to know not only what type of adversary they are confronting but its stage of organizational development and relationship to other groups," Crenshaw wrote in the project summary. "The timing of a government policy initiative may be as important as its substance."

"Mapping Terrorist Organizations" will incorporate research in economics, sociology, business, biology, political science and history. It will include existing research to build a new database using original language sources rather than secondary analyses. The goal is to produce an online database and series of interactive maps that will generate new observations and research questions, Crenshaw said.

The results, for example, could reveal the structure of violent and non-violent opposition groups within the same movements or conflicts, and identify patterns that explain how these groups evolve over time. Such findings could be used to analyze the development of Al Qaeda and its Islamist or jihadist affiliates, including the Taliban in Afghanistan and Pakistan, she said.

The findings may also shed light on what happens when a group splits due to leadership quarrels or when a government is overturned, Crenshaw said. "Analysis that links levels of terrorist violence to changes in organizational structures and explains the complex relationships among actors in protracted conflicts will break new ground," the summary noted.

Extensive information on terrorist groups already exists, but it has been difficult to compile and analyze. Despite such obstacles, Crenshaw said, violent organizations can be understood in the same terms as other political or economic groups. "Terrorist groups are not anomalous or unique," she wrote. "In fact, they can be compared to transnational activist networks."

Crenshaw should know. Widely respected as a pioneer in terrorism studies, the political scientist was one of a handful of scholars who followed the subject decades before the attacks of Sept. 11, 2001. She joined CISAC in 2007, following a long career at Wesleyan University, where she was the Colin and Nancy Campbell Professor of Global Issues and Democratic Thought. In addition to her research at Stanford, Crenshaw is a lead investigator at START, the Consortium for the Study of Terrorism and the Response to Terrorism at the University of Maryland.

End goal

Crenshaw wants to use the findings to better analyze how threats to U.S. security evolve over time. "Terrorist attacks on the United States and its allies abroad often appear to come without warning, but they are the result of a long process of organizational development," she wrote. "Terrorist organizations do not operate in isolation from a wider social environment. Without understanding processes of development and interaction, governments may miss signals along the way and be vulnerable to surprise attack. They may also respond ineffectively because they cannot anticipate the consequences of their actions." The project seeks to find patterns in the evolution of terrorism and to explain their causes and consequences. This, in turn, should contribute to developing more effective counter-terrorism policy, Crenshaw said.

Conflicts to be mapped

  • Russian revolutionary organizations, 1860s-1914.
  • Anarchist groups in Europe and the United States, 1880s-1914. (Note: although the anarchist movement is typically regarded as completely unstructured, there was more organization than an initial survey might suppose, and the transnational dispersion of the movement is frequently cited as a precedent for Al Qaeda.)
  • Ireland and Northern Ireland, 1860s-present.
  • Algeria, 1945-1962 and 1992-present
  • Palestinian resistance groups, 1967-present.
  • Colombia, 1960s-present.
  • El Salvador, 1970s-1990s
  • Argentina, 1960s-1980s
  • Chile, 1973-1990
  • Peru, 1970-1990s
  • Brazil, 1967-1971
  • Sri Lanka, 1980s-present
  • India (Punjab), 1980-present
  • Philippines, 1960s-present
  • Indonesia, 1998-present
  • Italy, 1970s-1990s
  • Germany, 1970s-1990s
  • France/Belgium, 1980-1990s
  • Kashmir, 1988-present
  • Pakistan, 1980-present
  • United States, 1960s-present (especially far right movement)
  • Spain, 1960s-present
  • Egypt, 1950s-present
  • Turkey, 1960s-present
  • Lebanon, 1975-present
  • Al Qaeda, 1987-present
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The Case for No First Use: An Exchange

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'Survival' editor's note:

In the June-July 2009 issue of the journal 'Survival,' Scott D. Sagan argued the current case for the United States to adopt a declaratory policy of nuclear no first use. 'Survival' invited four experts from Europe, Asia and North America to comment on Sagan's argument. The author concludes the debate with his own final thoughts.

Note from editor of Survival:

In the June-July 2009 issue of Survival, Professor Scott D. Sagan argued the current case for the United States to adopt a declaratory policy of nuclear no first use. Survival invited four experts from Europe, Asia and North America (listed below) to comment on Sagan's argument, with a final conclusion from the author:

Morton H. Halperin worked on nuclear issues in the Kennedy, Johnson, Nixon and Clinton administrations in the Department of Defense, the National Security Council and the State Department. He is a member of the Congressional Commission on the Strategic Posture of the United States and senior advisor to the Open Society Institute. He has written numerous books and articles on nuclear policy.

Bruno Tertrais is a senior research fellow at the Paris-based Foundation for Strategic Research and a contributing editor to Survival. He is the author of War Without End (New York: The New Press, 2005).

Keith B. Payne is president and co-founder of the National Institute for Public Policy, head of the Graduate Department of Defense and Strategic Studies of Missouri State University, Washington, D.C. campus, a member of the Congressional Commission on the Strategic Review of the United States, Policy Panel chairman of the U.S. Strategic Command's Senior Advisory Group, and a member of the Department of State's International Security Advisory Board.

K. Subrahmanyam is an Indian strategic analyst and journalist. He served as the director of the Institute for Defence Studies and Analyses and has held a number of other government positions, including chairman of the Joint Intelligence Committee.

Scott D. Sagan is professor of political science at Stanford University and co-director of Stanford's Center for International Security and Cooperation.

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Nuclear Posture of the United States -- Challenges Ahead

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CISAC Conference Room

William J. Perry

(650) 725-6501
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Michael and Barbara Berberian Professor (emeritus) at FSI and Engineering
rsd15_078_0380a.jpg MS, PhD

William Perry is the Michael and Barbara Berberian Professor (emeritus) at Stanford University. He is a senior fellow at the Freeman Spogli Institute and the Hoover Institution, and serves as director of the Preventive Defense Project. He is an expert in U.S. foreign policy, national security and arms control. He was the co-director of CISAC from 1988 to 1993, during which time he was also a part-time professor at Stanford. He was a part-time lecturer in the Department of Mathematics at Santa Clara University from 1971 to 1977.

Perry was the 19th secretary of defense for the United States, serving from February 1994 to January 1997. He previously served as deputy secretary of defense (1993-1994) and as under secretary of defense for research and engineering (1977-1981). Dr. Perry currently serves on the Defense Policy Board (DPB). He is on the board of directors of Covant and several emerging high-tech companies. His previous business experience includes serving as a laboratory director for General Telephone and Electronics (1954-1964); founder and president of ESL Inc. (1964-1977); executive vice-president of Hambrecht & Quist Inc. (1981-1985); and founder and chairman of Technology Strategies & Alliances (1985-1993). He is a member of the National Academy of Engineering and a fellow of the American Academy of Arts and Sciences.

From 1946 to 1947, Perry was an enlisted man in the Army Corps of Engineers, and served in the Army of Occupation in Japan. He joined the Reserve Officer Training Corps in 1948 and was a second lieutenant in the Army Reserves from 1950 to 1955. He was awarded the Presidential Medal of Freedom in 1997 and the Knight Commander of the British Empire in 1998. Perry has received a number of other awards including the Department of Defense Distinguished Service Medal (1980 and 1981), and Outstanding Civilian Service Medals from the Army (1962 and 1997), the Air Force (1997), the Navy (1997), the Defense Intelligence Agency (1977 and 1997), NASA (1981) and the Coast Guard (1997). He received the American Electronic Association's Medal of Achievement (1980), the Eisenhower Award (1996), the Marshall Award (1997), the Forrestal Medal (1994), and the Henry Stimson Medal (1994). The National Academy of Engineering selected him for the Arthur Bueche Medal in 1996. He has received awards from the enlisted personnel of the Army, Navy, and the Air Force. He has received decorations from the governments of Albania, Bahrain, France, Germany, Hungary, Japan, Korea, Poland, Slovenia, and Ukraine. He received a BS and MS from Stanford University and a PhD from Pennsylvania State University, all in mathematics.

Director of the Preventive Defense Project at CISAC
FSI Senior Fellow
CISAC Faculty Member
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Joseph C. Martz from Los Alamos National Lab named inaugural Perry Fellow

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Joseph C. Martz, a nuclear materials scientist at Los Alamos National Laboratory (LANL), has been named the inaugural William J. Perry Fellow in International Security at Stanford University.

Stanford established the fellowship in 2007 to celebrate the 80th birthday of William J. Perry, the 19th U.S. Secretary of Defense from 1994 to 1997 and co-director of Stanford's Center for International Security and Cooperation (CISAC) from 1988 to 1993. Perry, the Michael and Barbara Berberian professor, and CISAC Co-Director Siegfried S. Hecker currently lead the center's Preventive Defense Project, which seeks to forestall dangerous security developments before they require drastic military intervention.

In a statement announcing Martz's selection as the first Perry Fellow, Hecker said CISAC supports scholarship on nuclear disarmament and nonproliferation, particularly at the intersection of science and policy-making. "Your background in understanding the configuration, manufacturing, design and certification of nuclear systems [that] support deterrence and the accompanying weapons complex is of timely relevance to the evolving policies in these areas," Hecker wrote. "Of particular interest is your evaluation of the elements of agility and confidence of the weapons complex and nuclear stockpile that will facilitate further reductions in nuclear weapons, and what effect these may have on international arms control initiatives."

The new Perry Fellowship honors an early or mid-career researcher from the United States or abroad with a record of "outstanding work in natural science, engineering or mathematics...who is dedicated to solving international security problems." Martz, 44, will spend a year at CISAC conducting research on how the United States might be able to reduce the size of its nuclear arsenal by configuring the nation's weapons stockpile more securely and strategically.

"I am honored to serve as the first Perry Fellow, in particular to salute Dr. Perry's extraordinary career and dedication to making the world a safer place," Martz said.

The scientist said his work dovetails with Perry's efforts to reduce and eliminate nuclear weapons around the globe. Perry, alongside former secretaries of state George Shultz and Henry Kissinger, former U.S. Sen. Sam Nunn and Stanford physicist Sidney Drell have joined together to promote this far-reaching objective, which President Barack Obama and the U.N. Security Council endorsed in a unanimous vote last month. "Dr. Perry's focus is a world with fewer weapons," Martz said. "My goal is to find a roadmap to that world."

At LANL, Martz led projects related to nuclear weapons design and maintenance, plutonium storage and disposal, stockpile life extension and plutonium aging, nuclear operations and nuclear systems analysis. He also directed New Mexico's team in the 2005-2007 nationwide Reliable Replacement Warhead (RRW) design competition sponsored by the federal government.

Martz said he was first drawn to nuclear issues during his senior year of high school. He grew up in Los Alamos -- his father worked at the lab. In 1983, Martz and a group of science-minded students were invited to join a gathering marking the lab's 40th anniversary. For three days, renowned scientists from the Manhattan Project, which developed the atomic bomb, returned to Los Alamos. Martz said one of them, Nobel-winning physicist Hans Bethe, told the students about his generation's atomic legacy and that it was up to Martz's generation to find a way out of what he characterized as the nuclear trap.

Today, Martz is interested in what he calls "capability-based deterrence." As he explained in the March 2008 issue of Currents, LANL's employee magazine: "If we are extremely competent and demonstrate the capability to reconstitute nuclear weapons -- convincing both allies and adversaries that the capability is assured and agile -- that capability in and of itself becomes a component of deterrence. It's a compelling idea. Our security rests not so much on the products of our work, but on our work itself." Martz, who has worked at LANL for 26 years, plans to pursue and refine this argument at CISAC and produce a manuscript during his year in residence. Martz holds a doctorate in chemical engineering from the University of California-Berkeley.

William J. Perry and the Perry Fellowship
Perry earned bachelor's and master's degrees in mathematics from Stanford in 1949 and 1950, and a doctorate from Pennsylvania State University. He went on to found the Silicon Valley electronics company ESL, build a venture capital company and pursue a distinguished career in public service. At the heart of Perry's work is a commitment to bring the rigors of science to international security issues. The William J. Perry Fellow in International Security at Stanford University will pursue this commitment.

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Nuclear Power Without Nuclear Proliferation?

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The global nuclear order is changing. Concerns about climate change, the volatility of oil prices, and the security of energy supplies have contributed to a widespread and still-growing interest in the future use of nuclear power. Thirty states operate one or more nuclear power plants today, and according to the International Atomic Energy Agency (IAEA), some 50 others have requested technical assistance from the agency to explore the possibility of developing their own nuclear energy programs. This surge of interest in nuclear energy - labeled by some proponents as ‘the renaissance in nuclear power' - is occurring simultaneously with mounting concerns about the healthy of the nuclear nonproliferation regime, the regulatory framework that constrains and governs the world's civil and military- related nuclear affairs. The question then arises: is it possible to have nuclear power without nuclear proliferation? The answer is not clear, for the technical, economic, and political factors that will determine whether future generations will have more nuclear power without more nuclear proliferation are exceedingly complex and interrelated. Dr. Sagan will outline the current state of nuclear power and nuclear proliferation, before examining the weaknesses and promise of existing research on the subject. He argues that a key aspect of ensuring a safe nuclear future will be the strengthening of the NPT through "shared responsibility" for disarmament.

Scott Sagan is a professor of political science and co-director of Stanford's Center for International Security and Cooperation. Before joining the Stanford faculty, Sagan was a lecturer in the Department of Government at Harvard University and served as a special assistant to the director of the Organization of the Joint Chiefs of Staff in the Pentagon. He has also served as a consultant to the office of the Secretary of Defense and at the Sandia National Laboratory and the Los Alamos National Laboratory.

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: A Debate Renewed (W.W. Norton, 2002). He is the co-editor of Peter R. Lavoy, Scott D. Sagan, and James L. Wirtz, Planning the Unthinkable (Cornell University Press, 2000) and the editor of Inside Nuclear South Asia (Stanford University Press, 2009). His most recent publications include "The Case for No First Use," Survival (June 2009) and "Good Faith and Nuclear Disarmament Negotiations" in George Perkovich and James A. Acton (eds.) Abolishing Nuclear Weapons: A Debate (Carnegie Endowment, 2009).

Allen S. Weiner is senior lecturer in law and co-director of the Stanford Program in International Law at Stanford Law School. He is also the co-director of the Stanford Center on International Conflict and Negotiation. His expertise is in the field of public international law and the foreign relations law of the United States. He is a seasoned international lawyer with experience in such wide-ranging fields as national security law, the law of war, international dispute resolution, and international criminal law. His current scholarship focuses on international law and the response to the contemporary security threats of international terrorism and the proliferation of weapons of mass destruction. For more than a decade he practiced international law in the U.S. Department of State, serving as an attorney-adviser in the Office of the Legal Adviser and as legal counselor at the U.S. Embassy in The Hague. In those capacities, he advised government policy-makers, negotiated international agreements, and represented the United States in litigation before the Iran-United States Claims Tribunal and the International Court of Justice. He teaches courses in public international law, international conflict resolution, and international security matters at Stanford Law School. He received a BA from Harvard College and a JD from Stanford Law School.

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Scott D. Sagan

CISAC
Stanford University
Encina Hall, E202
Stanford, CA 94305-6165

(650) 725-2715 (650) 723-0089
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The Caroline S.G. Munro Professor of Political Science
The Bass University Fellow in Undergraduate Education  
Senior Fellow, Freeman Spogli Institute for International Studies
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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 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.     

Co-director of the Center for International Security and Cooperation
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Allen S. Weiner

Stanford Law School
559 Nathan Abbott Way
Neukom Faculty Office Building, Room N238
Stanford, CA 94305-8610

(650) 724-5892 (650) 725-2592
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Senior Lecturer in Law
Director, Stanford Program in International Law
Co-Director, Stanford Center on International Conflict and Negotiation
CISAC Core Faculty Member
Europe Center Affiliated Faculty
rsd25_073_0376a.jpg JD

Allen S. Weiner is senior lecturer in law and director of the Stanford Program in International Law at Stanford Law School. He is also the co-director of the Stanford Center on International Conflict and Negotiation. He is an international legal scholar with expertise in such wide-ranging fields as international and national security law, the law of war, international conflict resolution, and international criminal law (including transitional justice). His scholarship focuses on international law and the response to the contemporary security threats of international terrorism, the proliferation of weapons of mass destruction, and situations of widespread humanitarian atrocities. He also explores the relationship between international and domestic law in the context of asymmetric armed conflicts between the United States and nonstate groups and the response to terrorism. In the realm of international conflict resolution, his highly multidisciplinary work analyzes the barriers to resolving violent political conflicts, with a particular focus on the Israeli-Palestinian conflict. Weiner’s scholarship is deeply informed by experience; for more than a decade he practiced international law in the U.S. Department of State, serving as an attorney-adviser in the Office of the Legal Adviser and as legal counselor at the U.S. Embassy in The Hague. In those capacities, he advised government policy-makers, negotiated international agreements, and represented the United States in litigation before the Iran-United States Claims Tribunal, the International Criminal Tribunal for the Former Yugoslavia, and the International Court of Justice. He teaches courses in public international law, international conflict resolution, and international security matters at Stanford Law School.

Weiner is the author of "Constitutions as Peace Treaties: A Cautionary Tale for the Arab Spring” in the Stanford Law Review Online (2011) and co-author (with Barry E. Carter) of International Law (6th ed. 2011). Other publications include “The Torture Memos and Accountability" in the American Society of International Law Insight (2009), "Law, Just War, and the International Fight Against Terrorism: Is It War?", in Intervention, Terrorism, and Torture: Contemporary Challenges to Just War Theory (Steven P. Lee, ed.) (2007), ”Enhancing Implementation of U.N. Security Council Resolution 1540: Report of the Center on International Security and Cooperation” (with Chaim Braun, Michael May & Roger Speed) (September 2007), and "The Use of Force and Contemporary Security Threats: Old Medicine for New Ills?", Stanford Law Review (2006).

Weiner has worked on several Supreme Court amicus briefs concerning national security and international law issues, including cases brought involving "war on terror" detainees.  He has also submitted petitions before the United Nations Working Group on Arbitrary Detention on behalf of Vietnamese social and political activists detained by their governing for the exercise of free speech rights.

Weiner earned a BA from Harvard College and a JD from Stanford Law School.

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Allen S. Weiner Senior Lecturer in Law; Co-Director, Stanford Program in International Law; Co-Director, Stanford Center on International Conflict and Negotiation; CDDRL and CISAC Faculty Member; Forum on Contemporary Europe Research Affiliate Speaker
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