Lawrence Wein is the Jeffrey S. Skoll Professor of Management Science at the Graduate School of Business, Stanford University, and an affiliated faculty member at CISAC. After getting a PhD in Operations Research from Stanford University in 1988, he spent 14 years at the Sloan School of Management at MIT, where he was the DEC Leaders for Manufacturing Professor of Management Science. His research interests include mathematical models in operations management, medicine and biology.

Since 2001, he has analyzed a variety of homeland security problems. His homeland security work includes four papers in Proceedings of the National Academy of Sciences, on an emergency response to a smallpox attack, an emergency response to an anthrax attack, a biometric analysis of the US-VISIT Program, and an analysis of a bioterror attack on the milk supply. He has also published the Washington Post op-ed "Unready for Anthrax" (2003) and the New York Times op-ed "Got Toxic Milk?", and has written papers on port security, indoor remediation after an anthrax attack, and the detention and removal of illegal aliens.

For his homeland security research, Wein has received several awards from the International Federation of Operations Research and Management Science (INFORMS), including the Koopman Prize for the best paper in military operations research, the INFORMS Expository Writing Award, the INFORMS President’s Award for contributions to society, the Philip McCord Morse Lectureship, the Frederick W. Lanchester Prize for best research publication, and the George E. Kimball Medal. He was Editor-in-Chief of Operations Research from 2000 to 2005, and was elected to the National Academy of Engineering in 2009.   

Whitfield Diffie is a consulting scholar at CISAC. He was a visiting scholar in 2009-2010 and an affiliate from 2010-2012. He is best known for the discovery of the concept of public key cryptography, in 1975, which he developed along with Stanford University Electrical Engineering Professor Martin Hellman. Public key cryptography, which revolutionized not only cryptography but also the cryptographic community, now underlies the security of internet commerce.

During the 1980s, Diffie served as manager of secure systems research at Northern Telecom. In 1991, he joined Sun Microsystems as distinguished engineer and remained as Sun fellow and chief security officer until the spring of 2009.

Diffie spent the 1990s working to protect the individual and business right to use encryption, for which he argues in the book Privacy on the Line, the Politics of Wiretapping and Encryption, which he wrote jointly with Susan Landau. Diffie is a Marconi fellow and the recipient of a number of awards including the National Computer Systems Security Award (given jointly by NIST and NSA) and the Franklin Institute's Levy Prize.

Paul K. MacDonald is a doctoral candidate at Columbia University and a 2004-2005 predoctoral fellow at CISAC. His research focuses on how great powers utilize the institution of imperial rule in order to exert control over less powerful polities in the international system. Most recently, he has published research on the epistemological foundations of rational choice theory in the American Political Science Review and on the relevance of evolutionary biology to international politics in International Security.