Acton holds the Jessica T. Mathews Chair and is co-director of the Nuclear Policy Program at the Carnegie Endowment for International Peace.

Adebahr is a nonresident fellow at Carnegie Europe. His research focuses on foreign and security policy, in particular regarding Iran and the Persian Gulf, on European and transatlantic affairs, and on citizens’ engagement.

Rafiah Al Talei is the contributing Arabic editor for Sada in Carnegie’s Middle East Program

Bader Mousa Al-Saif is a nonresident fellow at the Malcolm H. Kerr Carnegie Middle East Center in Beirut, where his research focuses on the Gulf and Arabian Peninsula.

Jon Bateman is a fellow in the Cyber Policy Initiative of the Technology and International Affairs Program at the Carnegie Endowment for International Peace.

Frances Z. Brown is a senior fellow with Carnegie’s Democracy, Conflict, and Governance Program, who previously worked at the White House, USAID, and in nongovernmental organizations. She writes on conflict, governance, and U.S. foreign policy

Brown, a professor of political science and international affairs at George Washington University, is a distinguished scholar and author of six well-received books on Arab politics.

Thomas Carothers is senior vice president for studies at the Carnegie Endowment for International Peace. He is a leading authority on international support for democracy, human rights, governance, the rule of law, and civil society.

Ambassador Collins was the U.S. ambassador to the Russian Federation from 1997 to 2001 and is an expert on the former Soviet Union, its successor states, and the Middle East.

Ryan Crocker is a nonresident senior fellow in the Geoeconomics and Strategy Program at the Carnegie Endowment for International Peace.

Suzanne DiMaggio is a senior fellow at the Carnegie Endowment for International Peace, where she focuses on U.S. foreign policy toward the Middle East and Asia, especially Iran and North Korea.

Dunne is an expert on political and economic change in Arab countries, particularly Egypt, as well as U.S. policy in the Middle East.

Yasmine Farouk is a visiting fellow in the Middle East Program at the Carnegie Endowment for International Peace.

Kim Ghattas is a nonresident senior fellow at the Carnegie Endowment for International Peace.

Rose Gottemoeller is a nonresident senior fellow in Carnegie’s Nuclear Policy Program. She also serves as the Frank E. and Arthur W. Payne Distinguished Lecturer at Stanford University’s Freeman Spogli Institute for International Studies and is a research fellow at the Hoover Institution.

Harith Hasan is a nonresident senior fellow at the Malcolm H. Kerr Carnegie Middle East Center, where his research focuses on Iraq, sectarianism, identity politics, religious actors, and state-society relations.

Zaha Hassan is a human rights lawyer and visiting fellow at the Carnegie Endowment for International Peace.

Dr. H.A. Hellyer is a senior associate fellow and scholar at the Royal United Services Institute in London and a nonresident scholar at the Carnegie Endowment for International Peace. His research focuses on politics, international relations, security, and religion in the West and the Arab world.

Hibbs is a Germany-based nonresident senior fellow in Carnegie’s Nuclear Policy Program. His areas of expertise are nuclear verification and safeguards, multilateral nuclear trade policy, international nuclear cooperation, and nonproliferation arrangements.

Ambassador Christopher Robert Hill is currently an adjunct professor at Columbia SIPA. He is a former career diplomat, a four-time ambassador, nominated by three presidents, whose last post was as ambassador to Iraq.

Kheder Khaddour is a nonresident scholar at the Malcolm H. Kerr Carnegie Middle East Center in Beirut. His research centers on civil military relations and local identities in the Levant, with a focus on Syria.

Levite was the principal deputy director general for policy at the Israeli Atomic Energy Commission from 2002 to 2007.

David Linfield is a visiting scholar in Carnegie’s Middle East Program, where he specializes in how socioeconomic inequality is reshaping political alliances and driving new pressure for change.

Mathews is a distinguished fellow at the Carnegie Endowment for International Peace. She served as Carnegie’s president for 18 years.

Nesrine Mbarek is a John Gardner Fellow for Public Service working at Carnegie’s Middle East Program.

Hamza Meddeb is a nonresident scholar at the Malcolm H. Kerr Carnegie Middle East Center, where his research focuses on economic reform, political economy of conflicts, and border insecurity across the Middle East and North Africa.

Aaron David Miller is a senior fellow at the Carnegie Endowment for International Peace, focusing on U.S. foreign policy.

Andrew Miller is a nonresident scholar in Carnegie’s Middle East Program.

Muasher is vice president for studies at Carnegie, where he oversees research in Washington and Beirut on the Middle East.

Aram Nerguizian is senior advisor of the Program on Civil-Military Relations in Arab States at the Malcolm H. Kerr Carnegie Middle East Center, where his work focuses on the Lebanese security sector, long-term force transformation in the Levant, and efforts to develop national security institutions in post-conflict and divided societies.

Andrew O’Donohue is a nonresident research assistant in the Democracy, Conflict, and Governance Program, where his research focuses on political polarization and challenges facing democratic governance.

Anna Ohanyan is a nonresident senior scholar in the Russia and Eurasia Program.

Perkovich works primarily on nuclear strategy and nonproliferation issues; cyberconflict; and new approaches to international public-private management of strategic technologies.

Pierini is a visiting scholar at Carnegie Europe, where his research focuses on developments in the Middle East and Turkey from a European perspective.

Ryu is a nonresident senior fellow at the Carnegie Endowment for International Peace, where he leads an initiative focused on the intersection of diplomacy, technology, and innovation.

Karim Sadjadpour is a senior fellow at the Carnegie Endowment for International Peace, where he focuses on Iran and U.S. foreign policy toward the Middle East.

Yezid Sayigh is a senior fellow at the Malcolm H. Kerr Carnegie Middle East Center in Beirut, where he leads the program on Civil-Military Relations in Arab States (CMRAS). His work focuses on the comparative political and economic roles of Arab armed forces and nonstate actors, the impact of war on states and societies, and the politics of postconflict reconstruction and security sector transformation in Arab transitions, and authoritarian resurgence.

Richard Sokolsky is a nonresident senior fellow in Carnegie’s Russia and Eurasia Program. His work focuses on U.S. policy toward Russia in the wake of the Ukraine crisis.

Ülgen is a visiting scholar at Carnegie Europe in Brussels, where his research focuses on Turkish foreign policy, nuclear policy, cyberpolicy, and transatlantic relations.

Tristan Volpe is a nonresident fellow at the Carnegie Endowment for International Peace and assistant professor of defense analysis at the Naval Postgraduate School.

Jake Walles is a nonresident senior fellow in the Middle East Program at the Carnegie Endowment for International Peace, where he focuses on Israeli-Palestinian issues, Tunisia, and counterterrorism.

Frederic Wehrey is a senior fellow in the Middle East Program at the Carnegie Endowment for International Peace. His research deals with armed conflict, security sectors, and identity politics, with a focus on Libya, North Africa, and the Gulf.

Yahya is director of the Malcolm H. Kerr Carnegie Middle East Center, where her research focuses on citizenship, pluralism, and social justice in the aftermath of the Arab uprisings.

Sarah Yerkes is a senior fellow in Carnegie’s Middle East Program, where her research focuses on Tunisia’s political, economic, and security developments as well as state-society relations in the Middle East and North Africa.