Jeff Richardson is an affiliate and former visiting scholar at CISAC. He came to CISAC after a 35-year career at Lawrence Livermore National Laboratory. At LLNL he held a variety of program management positions, including Division Leaders of Chemistry and later of Proliferation Prevention. He spent two tours in Washington DC, supporting NNSA in Nonproliferation R&D and DoD in the USAF Directorate of Nuclear Operations, Plans and Requirements. He recently completed 4-year assignment working for CRDF as the U.S. Science Advisor for the ISTC program, administered by the Office of Cooperative Threat Reduction, State Department. At CISAC he is focused on science diplomacy, using science as a tool for international engagement and promoting regional security.

Jeff earned his BS degree in chemistry from CalTech and his PhD in organic chemistry from Stanford University. His work at LLNL included chemical and materials science research, energy research, materials development for nuclear weapons programs, radiation detection for border security, nuclear materials protection, and proliferation detection, science cooperation for international security, and support for the Chemical Weapons Convention. He has authored over 100 papers. More recent papers include LLNL and WSSX, a contribution to Doomed to Cooperate: How American and Russian scientists joined forces to avert some of the greatest post-Cold War nuclear dangers, and Shifting from a Nuclear Triad to a Nuclear Dyad, which explored an alternate future strategy for the US nuclear arsenal.

Siegfried S. Hecker is a professor emeritus (research) in the Department of Management Science and Engineering and a senior fellow emeritus at the Freeman Spogli Institute for International Studies (FSI). He was co-director of CISAC from 2007-2012. From 1986 to 1997, Dr. Hecker served as the fifth Director of the Los Alamos National Laboratory. Dr. Hecker is an internationally recognized expert in plutonium science, global threat reduction, and nuclear security.

Dr. Hecker’s current research interests include nuclear nonproliferation and arms control, nuclear weapons policy, nuclear security, the safe and secure expansion of nuclear energy, and plutonium science. At the end of the Cold War, he has fostered cooperation with the Russian nuclear laboratories to secure and safeguard the vast stockpile of ex-Soviet fissile materials. In June 2016, the Los Alamos Historical Society published two volumes edited by Dr. Hecker. The works, titled Doomed to Cooperate, document the history of Russian-U.S. laboratory-to-laboratory cooperation since 1992.

Dr. Hecker’s research projects at CISAC focus on cooperation with young and senior nuclear professionals in Russia and China to reduce the risks of nuclear proliferation and nuclear terrorism worldwide, to avoid a return to a nuclear arms race, and to promote the safe and secure global expansion of nuclear power. He also continues to assess the technical and political challenges of nuclear North Korea and the nuclear aspirations of Iran.

Dr. Hecker joined Los Alamos National Laboratory as graduate research assistant and postdoctoral fellow before returning as technical staff member following a tenure at General Motors Research. He led the laboratory's Materials Science and Technology Division and Center for Materials Science before serving as laboratory director from 1986 through 1997, and senior fellow until July 2005.

Among his professional distinctions, Dr. Hecker is a member of the National Academy of Engineering; foreign member of the Russian Academy of Sciences; fellow of the TMS, or Minerals, Metallurgy and Materials Society; fellow of the American Society for Metals; fellow of the American Physical Society, honorary member of the American Ceramics Society; and fellow of the American Academy of Arts and Sciences.

His achievements have been recognized with the Presidential Enrico Fermi Award, the 2020 Building Bridges Award from the Pacific Century Institute, the 2018 National Engineering Award from the American Association of Engineering Societies, the 2017 American Nuclear Society Eisenhower Medal, the American Physical Society’s Leo Szilard Prize, the American Nuclear Society's Seaborg Medal, the Department of Energy's E.O. Lawrence Award, the Los Alamos National Laboratory Medal, among other awards including the Alumni Association Gold Medal and the Undergraduate Distinguished Alumni Award from Case Western Reserve University, where he earned his bachelor's, master's, and doctoral degrees in metallurgy.

Lynn Eden is a Senior Research Scholar Emeritus. She was a Senior Research Scholar at Stanford University's Center for International Security and Cooperation until January 2016, as well as was Associate Director for Research. Eden received her Ph.D. in sociology from the University of Michigan, held several pre- and post-doctoral fellowships, and taught in the history department at Carnegie Mellon before coming to Stanford.

In the area of international security, Eden has focused on U.S. foreign and military policy, arms control, the social construction of science and technology, and organizational issues regarding nuclear policy and homeland security. She co-edited, with Steven E. Miller, Nuclear Arguments: Understanding the Strategic Nuclear Arms and Arms Control Debates (Ithaca, N.Y.: Cornell University Press, 1989). She was an editor of The Oxford Companion to American Military History (New York: Oxford University Press, 2000), which takes a social and cultural perspective on war and peace in U.S. history. That volume was chosen as a Main Selection of the History Book Club.

Eden's book Whole World on Fire: Organizations, Knowledge, and Nuclear Weapons Devastation (Ithaca: Cornell University Press, 2004; New Delhi: Manas Publications, 2004) explores how and why the U.S. government--from World War II to the present--has greatly underestimated the damage caused by nuclear weapons by failing to predict damage from firestorms. It shows how well-funded and highly professional organizations, by focusing on what they do well and systematically excluding what they don't, may build a poor representation of the world--a self-reinforcing fallacy that can have serious consequences, from the sinking of the Titanic to not predicting the vulnerability of the World Trade Center to burning jet fuel. Whole World on Fire won the American Sociological Association's 2004 Robert K. Merton Award for best book in science, knowledge, and technology.

Eden has also written on life in small-town America. Her first book, Crisis in Watertown (Ann Arbor: University of Michigan Press, 1972), was her college senior thesis; it was a finalist for a National Book Award in 1973. Her second book, Witness in Philadelphia, with Florence Mars (Baton Rouge: Louisiana State University Press, 1977), about the murders of civil rights workers Schwerner, Chaney, and Goodman in the summer of 1964, was a Book of the Month Club Alternate Selection.

Tom is Co-Principal Investigator for the Nuclear Threat Initiative (NTI) Developing Spent Fuel Strategies (DSFS) project coordinating international cooperation on issues at the back end of the nuclear fuel cycle with emphasis on spent fuel management and disposal in Pacific Rim countries. Participants include senior nuclear officials from Japan, Korea, China, Taiwan, Canada, and the United States.

Tom advises national nuclear waste programs on facility siting, communications, stakeholder engagement, and public trust and confidence. He has worked with the Canadian Nuclear Waste Management Organization (NWMO) for 15 years.

Tom was recently named as the Chair of the recently formed Experts Team to support Southern California Edison  at the San Onofre Nuclear Generating Station.

Previously Tom was a Consulting Professor at CISAC, lead advisor to the Blue Ribbon Commission on America’s Nuclear Future, Member of the National Academy of Sciences Nuclear and Radiation Studies Board, Director of Planning at Lawrence Livermore National Laboratory, and long time senior executive at the Department of Energy where he led the siting of Yucca Mountain as the nation’s candidate site for a geologic repository.

He has degrees in Engineering, Applied Physics, and Chemical Engineering from Harvard University and the University of Pennsylvania.

Michael May is Professor Emeritus (Research) in the Stanford University School of Engineering and a senior fellow with the Freeman Spogli Institute for International Studies at Stanford University. He is the former co-director of Stanford University's Center for International Security and Cooperation, having served seven years in that capacity through January 2000.

May is a director emeritus of the Lawrence Livermore National Laboratory, where he worked from 1952 to 1988, with some brief periods away from the Laboratory. While there, he held a variety of research and development positions, serving as director of the Laboratory from 1965 to 1971.

May was a technical adviser to the Threshold Test Ban Treaty negotiating team; a member of the U.S. delegation to the Strategic Arms Limitation Talks; and at various times has been a member of the Defense Science Board, the General Advisory Committee to the AEC, the Secretary of Energy Advisory Board, the RAND Corporation Board of Trustees, and the Committee on International Security and Arms Control of the National Academy of Sciences. He is a member of the International Institute on Strategic Studies, and a Fellow of the American Physical Society and the American Association for the Advancement of Science.

May received the Distinguished Public Service and Distinguished Civilian Service Medals from the Department of Defense, and the Ernest Orlando Lawrence Award from the Atomic Energy Commission, as well as other awards.

His current research interests are nuclear weapons policy in the US and in other countries; nuclear terrorism; nuclear and other forms of energy and their impact on the environment, health and safety and security; the use of statistics and mathematical models in the public sphere.

May is continuing work on creating a secure future for civilian nuclear applications. In October 2007, May hosted an international workshop on how the nuclear weapon states can help rebuild the consensus underlying the Nuclear Non-Proliferation Treaty (NPT). Proceedings and a summary report are available online or by email request. May also chaired a technical working group on nuclear forensics. The final report is available online.

In April 2007, May in cooperation with former Secretary of Defense William J. Perry and Professor Ashton Carter of Harvard hosted a workshop on what would have to be done to be ready for a terrorist nuclear detonation. The report is available online at the Preventive Defense Project. A summary, titled, "The Day After: Action Following a Nuclear Blast in a U.S. City," was published fall 2007 in Washington Quarterly and is available online.

Recent work also includes a study of nuclear postures in several countries (2007 - 2009); an article on nuclear disarmament and one on tactical nuclear weapons; and a report with Kate Marvel for the American Academy of Arts and Sciences on possible game changers in the nuclear energy industry.