Senior Research Fellows

Senior Fellow for Law and Policy

Rhea Siers serves as the I3P Senior Fellow for Law and Policy. In this role she focuses on legal and policy issues relating to critical infrastructure and data protection by augmenting I3P’s multidisciplinary approach to cybersecurity issues.

In addition, she contributes to current projects including the development of education and skills for individuals involved in the management, policy and oversight of cybersecurity activities in the public and private sectors; and provides guidance relating to issues across I3P activities and research including data privacy, regulatory impacts, domestic and international law and national security.


Ms. Rhea Siers recently retired as a member of the Defense Intelligence Senior Executive Service after over thirty years at the National Security Agency (NSA). Ms. Siers served in a variety of operational, legal, and policy positions dealing with some of the most critical issues facing the US Intelligence Community including cyber operations, information sharing, sharing, counterterrorism and counterintelligence.  She served as NSA’s senior representative to the FBI, as well as NSA’s Deputy Associate Director for Policy, led operational and intelligence production as a senior manager, and served in the NSA Office of General Counsel. Ms. Siers is a member of the adjunct faculty of George Washington University where she teaches courses on Counterterrorism Policy, Middle East Intelligence, Intelligence Oversight, Intelligence Operations and Transnational Security issues.  She has also taught at American University and the University of Maryland. Ms. Siers received her B.A. in Political Science from Barnard College, Columbia University, New York, an MSc in International Relations and Middle East Politics from the London School of Economics and Political Science, a J.D. from the Washington College of Law, American University, and an MIPP in Transnational Security Issues from the Elliott School of International Affairs, George Washington University

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