- Belfer Center for Science and International Affairs, Harvard Kennedy School

Welcome, New Senior Fellows

Dmitri Alperovitch  Co-Founder and CTO of CrowdStrike, Inc.

Dmitri Alperovitch is the Co-Founder and CTO of CrowdStrike Inc., a leading provider of next-generation endpoint security, threat intelligence and incident response services. He is a thought-leader on cybersecurity policies and state tradecraft and has served as special advisor to the Department of Defense. In 2016, Alperovitch revealed Russian intelligence agencies’ hacking of the Democratic National Committee (DNC).

As a Senior Fellow at the Belfer Center, Alperovitch is working with the Defending Digital Democracy Project to protect elections.

David S. Cohen  Former Deputy Director of the Central Intelligence Agency

David S. Cohen was the second-in-command at the CIA from 2015-2017. He handled foreign intelligence collection, all-source analysis, covert action, counterintelligence, and liaison relationships, and assisted in managing the CIA’s domestic and worldwide operations. Cohen served previously as Under Secretary for Terrorism and Financial Intelligence in the U.S. Department of the Treasury.

As a Senior Fellow with the Belfer Center’s Intelligence Project, Cohen is conducting a study that focuses on the “CIA in the Digital Age,” looking into steps the agency can take to improve its capacity for anticipating and tackling intelligence challenges in our increasingly interconnected world.

Jeffrey DeLaurentis  Former Chief of Mission at the U.S. Embassy, Havana, Cuba

Jeffrey DeLaurentis is a career member of the U.S. Foreign Service, serving from 2014-17 as Chief of Mission at the U.S. Embassy in Havana, Cuba where he implemented the Obama administration’s diplomatic opening to the country. Earlier, DeLaurentis served as the Alternate Representative for Special Political Affairs at the U.S. Mission to the United Nations.

As Senior Diplomatic Fellow with the Belfer Center’s Future of Diplomacy Project, DeLaurentis shares his expertise with students and faculty, contributing to a deeper public understanding of diplomatic practice and U.S. foreign policy.

Salam Fayyad   Former Prime Minister, Palestinian Authority

Salam Fayyad is an economist and former Prime Minister of the Palestinian Authority. His extensive experience includes serving as resident representative in the West Bank and Gaza Strip, as manager of the Arab Bank in Palestine, and as Minister of Finance of the Palestinian Authority. In 2007, he was appointed Prime Minister, a position he held until he stepped down in June 2013. 

As a Senior Fellow with the Middle East Initiative, Fayyad delivers public and closed addresses, engages with Harvard Kennedy School students, faculty, and affiliates, and participates in events and activities.

Jeh Johnson  Former Secretary of Homeland Security

Jeh Johnson was Secretary of Homeland Security from 2013-2017. His responsibilities covered 22  areas, including counterterrorism, cybersecurity, aviation security, border security, port security, maritime security, protection of our national leaders, and response to natural disasters. Prior to becoming Secretary of Homeland Security, Johnson was General Counsel of the Department of Defense. 

As a non-resident Senior Fellow with the Belfer Center’s Homeland Security Project, he engages with students, faculty, and fellows to explore the challenges of keeping America safe. He is a partner in the law firm of Paul, Weiss, Rifkind, Wharton & Garrison, LLP.

Debora Plunkett  Former Director of the National Security Agency’s Information Assurance Directorate

As Director of the NSA’s cyber defense, cryptography, and information systems security missions from 2012-16, Plunkett enabled continuous innovation and development of strong security solutions and policies to protect classified government communications. She currently is Principal of Plunkett Associates LLC, a cybersecurity consulting business, and an Adjunct Professor in cybersecurity at the University of Maryland.

At the Belfer Center, she is assisting with the formation and implementation of the Defending Digital Democracy Project.

Robby Mook  Former Campaign Manager, Hillary Clinton presidential campaign 2016

Robby Mook is a nationally recognized campaign manager and strategist who ran the 2016 presidential campaign for Hillary Clinton. Earlier, he managed the successful 2013 election campaign for Virginia Governor Terry McAuliffe and the 2008 election of Jeanne Shaheen, New Hampshire’s first woman senator. 

At the Belfer Center, he is co-leading —with Matt Rhoades—the bipartisan Defending Digital Democracy Project, which aims to identify and recommend strategies, tools, and technology to protect democratic processes and systems from cyber and information attacks.

Matt Rhoades   Former Campaign Manager, Mitt Romney presidential campaign 2012

Matt Rhoades is the founder of Definers Public Affairs and an accomplished political and public affairs professional. He served as campaign manager for the Romney-Ryan 2012 presidential campaign, guiding Romney through a crowded primary to the Republican nomination. Earlier, he served as research director for President George W. Bush’s 2004 reelection campaign and for the Republican National Committee.

At the Belfer Center, he is co-leading with Robby Mook the bipartisan Defending Digital Democracy Project to develop information and tools to protect the integrity of America’s elections.   

Susan Rice  Former National Security Advisor and U.S. Ambassador to the United Nations  

Susan E. Rice served as U.S. Permanent Representative to the United Nations from 2009 to 2013 and as National Security Advisor from 2013 to 2017.  Earlier, she was U.S. Assistant Secretary of State for African Affairs. Rice’s many contributions include playing a critical role in containing the Ebola crisis, sanctioning Russia for violations in Ukraine, and achieving the agreement that prevented Iran from obtaining nuclear weapons.

As a non-resident Belfer Center Senior Fellow, Rice’s extensive knowledge and experience will contribute to an array of foreign policy and national security issues.

José Antonio Sabadell  Former Ambassador of the European Union to Mauritania

José Antonio Sabadell has been a Spanish diplomat since 1993. He served as the Ambassador and Head of the European Union Delegation to Mauritania from 2013-17 and previously as Deputy Director General for North Africa. Earlier, he served in a number of other capacities including as Deputy Head of Mission at the Embassy of Spain in Saudi Arabia.

As the Rafael del Piño-MAEC (Spanish Ministry of Foreign Affairs and Cooperation) Fellow with the Future of Diplomacy Project, Sabadell focuses on how radical Islamic groups use biased presentations of the West to attract followers and support their objectives.

Elizabeth Sherwood-Randall  Former Deputy Secretary of Energy

As Deputy Secretary of Energy from 2014-17, Sherwood-Randall was the Department’s Chief Operating Officer providing strategic direction in areas ranging from nuclear deterrence and science and energy to emergency response and grid security. Previously, she was Special Assistant to the President and White House Coordinator for Defense Policy, Countering Weapons of Mass Destruction, and Arms Control (2013-14). Earlier, she worked with then Assistant Secretary of Defense Carter on denuclearizing three former Soviet states following the collapse of the Soviet Union. 

As a Belfer Center Senior Fellow, Sherwood-Randall is researching the future of nuclear deterrence, energy security, and the intersection of national security and energy.

Gregory Treverton  Former Chair, National Intelligence Council

As Chair of the National Intelligence Council from 2014-17, Gregory Treverton provided both strategic intelligence and more immediate intelligence support to senior foreign policymakers in the U.S. government. Earlier, he directed RAND Corporation’s Center for Global Risk and Security and before that its Intelligence Policy Center. Earlier, as Vice Chair of the National Intelligence Council, he oversaw the writing of America’s National Intelligence Estimates. 

As a Senior Fellow, Treverton shares his experience in government, intelligence, and security with students, fellows, and faculty.

For more information on this publication: Belfer Communications Office
For Academic Citation:

"Welcome, New Senior Fellows." Belfer Center Newsletter, Belfer Center for Science and International Affairs, Harvard Kennedy School, Fall/Winter 2017-2018.


Dr. Elizabeth D. Sherwood-Randall