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Past Speakers

Date Speaker(s) Speaker Role(s)
1/13/2025 Mara Karlin Former Assistant Secretary of Defense for Strategy, Plans, and Capabilities
12/3/2024 Yuval Levin & Ramesh Ponnuru Director of Social, Cultural, and Constitutional Studies at the American Enterprise Institute; Editor of National Review
11/19/2024 Avichai Mandelblit Former Attorney General of Israel
11/19/2024 Ambassador Joan A. Polaschik Director of the Foreign Service Institute
11/6/2024 Rosa Brooks Professor of Law and Policy at Georgetown University Law Center
11/6/2024 Frank Bruni; D. Sunshine Hillygus;  Peter Feaver Eugene C. Patterson Professor of the Practice of Journalism and Public Policy at Duke; Professor of Political Science at Duke; Professor of Political Science and Public Policy at Duke and AGS Director
10/30/2024 Ambassador Wendy R. Sherman Former Deputy Secretary of State
10/28/2024 Elbridge Colby Former Deputy Assistant Secretary of Defense for Strategy and Force Development
10/22/2024 Karl Rove & David Axelrod Republican Strategist; Democratic Strategist
10/8/2024 Sara Castro Associate Professor of History at the U.S. Air Force Academy
10/1/2024 Michael G. Vickers Former Under Secretary of Defense for Intelligence
9/26/2024 Anja Manuel Executive Director of the Aspen Strategy Group and Aspen Security Forum
9/25/2024 Gwen Camp & Tate Nurkin Former senior executive at FEMA; Game designer
9/10/2024 Yuval Levin Director of Social, Cultural, and Constitutional Studies at the
American Enterprise Institute
9/5/2024 Monica Medina Former Assistant Secretary of State for Oceans and International Environmental and
Scientific Affairs
9/4/2024 Liz Cheney Former U.S. Representative
8/29/2024 General Paul M. Nakasone Former Commander of U.S. Cyber Command and Director of the National Security Agency
4/15/2024 Dan Senor Columnist and former Senior Foreign Policy Advisor to Mitt Romney
4/10/2024 Tara Zahra Hanna Holborn Gray Professor of East European History at the University of Chicago
4/8/2024 Robert Satloff Segal Executive Director of The Washington Institute
4/4/2024 General Bryan P. Fenton Commander of U.S. Special Operations Command
4/2/2024 David Rubenstein & Fareed Zakaria Philanthropist; Political Commentator
3/26/2024 Amb. Kay Bailey Hutchison & Amb. Douglas Lute Former U.S. Permanent Representatives to NATO
3/20/2024 Yuval Levin Director of Social, Cultural, and Constitutional Studies at the
American Enterprise Institute
3/8/2024 Condoleeza Rice Former Secretary of State
2/26/2024 Elizabeth Economy Senior Fellow at Stanford’s Hoover Institution
2/13/2024 Daniel Kurtzer Former U.S. Ambassador to Egypt and Israel
2/5/2024 Nicholas Kristof Columnist for the New York Times
2/1/2024 Matthew Connolly Professor of International and Global History at Columbia University
1/25/2024 Lieutenant General Christopher T. Donahue Commander, XVIII Airborne
1/23/2024 Matthew C. Waxman Professor of Law at Columbia University
1/18/2024 Bonny Lin Senior Fellow at the Center for Strategic and International Studies
1/16/2024 Peter Beinart Journalist and political commentator
12/5/2023 Melvyn P. Leffler Edward Stettinius Professor of History at the University of Virginia
11/28/2023 Daniel F. Runde Senior Vice President of the Center for Strategic and International Studies
11/16/2023 Mariana Budjeryn Senior Research Associate with the Project on Managing the Atom at Harvard’s Belfer Center
11/15/2023 Christine Wormuth Secretary of the Army
11/7/2023 Major General (Ret.) William J. Walker Former Sergeant at Arms of the U.S. House of Representatives
10/25/2023 Dahlia Scheindlin Policy Fellow at the Century Foundation and former advisor to Israeli national electoral campaigns
10/11/2023 Ambassador Maria Yovanovitch Former U.S. Ambassador to Ukraine
10/3/2023 Ambassador Thomas Nides Former U.S. Ambassador to Israel
9/28/2023 General (Ret.) Martin Dempsey; Sarah Hirshland;
Mike Krzyzewski; Adam Silver
Former Chairman of the Joint Chiefs of Staff; CEO of USOPC;
Former Head Coach of Duke Men's Basketball; Commissioner of the NBA
9/19/2023 Kori Schake Senior Fellow and Director of Foreign and Defense Policy Studies at the
American Enterprise Institute
9/14/2023 Heidi A. Urben & Peter Feaver Professor of the Practice and Director of External Education and Outreach at Georgetown University; Professor of Political Science and Public Policy at Duke and AGS Director
9/7/2023 Giselle Donnolly Senior Fellow at the American Enterprise Institute
8/29/2023 Colin Kahl Former Under Secretary of Defense for Policy
4/6/2023 General Austin S. Miller Former Commander of U.S. Forces – Afghanistan and Resolute Support Mission
3/28/2023 Ghaith al-Omari & Dov Weissglas Senior Fellow at The Washington Institute for Near East Policy; Lawyer and businessman
3/22/2023 Naftali Bennett Former Prime Minister of Israel
3/21/2023 Stephen Hadley Former National Security Advisor to President Bush
3/2/2023 Or Rabinowitz Associate Professor at the Hebrew University of Jerusalem
2/21/2023 Rose Gottemoeller Former U.S. Under Secretary of State for Arms Control and International Security
2/13/2023 Bruce Jentleson William Preston Few Distinguished Professor of Public Policy at Duke
2/8/2023 Ambassador Gentry Smith Assistant Secretary of State for Diplomatic Security
2/1/2023 Talbot Imlay Lecturer in History at the Université Laval in Québec, Canada
1/26/2023 Ambassador Gordon Sondland Former U.S. Ambassador to the European Union
1/19/2023 Eric Farnsworth Vice President, AS/COA, Washington, D.C. office
1/12/2023 William Inboden Executive Director and William Powers, Jr. Chair, Clements Center for National Security; Associate Professor at the LBJ School of Public Affairs
11/17/2022 Daniel Strunk Duke/AGS Alumni
11/16/2022 Susan Colbourn Diplomatic and international historian and Associate Director of AGS
11/14/2022 Linda Thomas-Greenfield U.S. Ambassador to the UN
11/9/2022 Katherine Tai United States Trade Representative
11/1/2022 Ray Takeyh Author and former Senior Advisor on Iran for the U.S. Department of State
10/25/2022 Elisabeth Leake Author and former Fellow at the University of London
10/18/2022 Patricia Larsen; Mirriam Grace-McIntyre; Tricia Wellman Intelligence Practitioners
10/5/2022 David French Political commentator
10/3/2022 Susan B Glasser Journalist and former Editor-in-Chief of Foreign Policy magazine
9/28/2022 Carrie Filipetti Executive Director of the Vandenberg Coalition
9/21/2022 Joseph Torigian Author and international relations scholar
9/7/2022 Thomas Brzozowski Counsel for Domestic Terrorism at the U.S. Department of Justice
9/1/2022 General Charles Q Brown Chief of Staff of the Air Force
7/28/2022 David Sanger White House Correspondent at the New York Times
4/12/2022 Louis DeJoy Postmaster General and Chief Executive Officer of the U.S. Postal Service
4/6/2022 Kevin Rudd Former Prime Minister of Australia
4/5/2022 Christopher Hancock Author of "Christianity and Confucianism: Culture, Faith and Politics"
3/23/2022 Peter Jackson Professor of Global Security at the University of Glasgow
3/22/2022 Major General Scott Jackson Commanding General of Security Force Assistance Command
3/1/2022 Michael McFaul Former U.S. Ambassador to the Russian Federation
2/28/2022 Michael Sfraga U.S. Arctic Research Commission Chair
2/16/2022 Jean Lee Former Pyongyang Bureau Chief, Associated Press
2/15/2022 Philip Ritcheson Assistant Director of National Intelligence for Mission Performance, Analysis and Collection
2/10/2022 Michael Abramowitz President of Freedom House
2/8/2022 Theodora Dragostinova Associate Professor of History at The Ohio State University
2/1/2022 David French Political commentator
1/26/2022 Major General Amos Yadlin Former Major General of the Israeli Air Force
1/20/2022 Alexandra Evans Associate Policy Researcher, RAND Corporation
11/18/2021 Vladislav M. Zubok Professor of International History at the London School of Economics
11/12/2021 General Mark A. Milley Chairman of the Joint Chiefs of Staff
11/3/2021 Amanda C. Demmer Assistant Professor of History at Virginia Tech
11/1/2021 Jane Harman Former Ranking Member of the House Intelligence Committee
10/27/2021 Sophie Richardson China Director at Human Rights Watch
10/14/2021 Wyndee Parker National Security Advisor to the Speaker of the House
10/12/2021 Jussi Hanhimäki Professor of International History and Politics at the Graduate Institute Geneva, Switzerland
9/29/2021 Andrew Preston & Christopher Nichols Professors of History
9/23/2021 Nasirullah "John" Safi Interpreter for U.S. Forces in Afghanistan
9/15/2021 Stephen J. Hadley Former National Security Advisor to President George W. Bush
9/9/2021 Wajahat Ali Writer and leading Muslim American public intellectual
9/7/2021 Michèle Flournoy Former Under Secretary of Defense for Policy
9/1/2021 Michael Singh Former Senior Director for Middle East affairs at the National Security Council
8/25/2021 Douglas Lute Former U.S. Representative to NATO
7/29/2021 Sue Gordon Former Principal Deputy Director of National Intelligence
6/14/2021 General Martin Dempsey Former Chairman of the Joint Chiefs of Staff
4/7/2021 Brigadier General Jerry Carter Commanding Officer, Marine Corps Intelligence Activity
3/29/2021 Moisés Naím Journalist and former Editor-in-Chief of Foreign Policy magazine
3/18/2021 Charles Kupchan Author and former Special Assistant to the President and Senior Director for European Affairs on the National Security Council
3/17/2021 Najat Al-Saied & Nir Boms Former Assistant Professor at Zayed University; former Vice President of the Washington based Foundation for the Defense of Democracies
3/4/2021 Kaitlyn Johnson Deputy Director & Fellow of the Aerospace Security Project at the Center for Strategic and International Studies
2/24/2021 COL Jon Harvey; COL Matt Ross; FBI Supervisory
Special Agent Matt Whittemore
CTPP Fellows
2/17/2021 Kim Ghattas Senior Fellow at the Carnegie Endowment for Interational Peace and former BBC Journalist
2/15/2021 Jenny Arnold; Lietuenant Gia DeHart; Lieutenant Colonel Randee
Farrell; Lieutenant Colonel Tina Hayes; Margalit Murray
Senior Civil Servant in the DoD; Human Resources Officer for the Navy Reserves;
U.S. Army Public Affairs Officer; Nuclear Proliferation and Countering WMD Specialist; Supervisory Special Agent at the U.S. Department of State
2/10/2021 Ben Wittes Senior Fellow, Research Director in Public Law and Co-Director of the
Harvard Law School–Brookings Project on Law and Security
2/3/2021 Brad Wiegmann Senior Counselor, National Security Division
1/25/2021 Sue Gordon; Bruce Jentleson; David Schanzer Former Principal Deputy Director of National Intelligence, William Preston Few Distinguished Professor of Public Policy at Duke, Professor of the Practice at Sanford
11/9/2020 Philip Zelikow Executive Director of the 9/11 Commission and former State Department Counselor
10/26/2020 Mohammad Darawshe Leading political analyst for the Israeli press
10/19/2020 Melvin Gamble Former CIA Senior Intelligence Officer
10/15/2020 Simon Miles Assistant Professor of History at Duke University
10/14/2020 H.R. McMaster Former National Security Advisor for President Trump
10/7/2020 Mary Elise Sarotte Distinguished Professor of Historical Studies, Johns Hopkins SAIS
10/1/2020 Michael Oren Former Israeli Ambassador to the U.S.
9/29/2020 Robert Zoellick Former Head of the World Bank and former U.S. Deputy Secretary of State
9/22/2020 Laura Rosenberger Senior Fellow and Director of the Alliance for Serving Democracy
9/17/2020 Thomas Schwartz Distinguished Professor of History at Vanderbilt University
9/14/2020 Frank Hill Director of the Institute for the Public Trust
9/10/2020 Daveed Gartenstein-Ross & Erroll Southers Leading U.S. experts on white supremacist extremism
9/3/2020 Kashmir Hill New York Times Technology Reporter
9/1/2020 Juliette Kayyem Former Assistant Secretary for Intergovernmental Affairs at the U.S. Department of
Homeland Security
8/27/2020 Susan Rice Former U.S. National Security Advisor and U.S. Permanent Representative to the U.N.
7/31/2020 General Ronald P. Clark Chief of Staff for U.S. Indo-Pacific Command
5/12/2020 Jolynn Dellinger; David Hoffman;
David Schanzer; Shane Stansbury
Stephen and Janet Bear Visiting Lecturer at Duke Law  School; Professor of the Practice at Sanford; Professor of the Practice at Sanford, Robinson Everett Distinguished Fellow in the Center for Law, Ethics, and National Security
5/5/2020 Paul Teller Deputy Assistant to the President and Director of Strategic Initiatives for the Vice President
4/22/2020 Kathleen Hicks; Kelly Magsamen; Kori Schake Professionals in the national security/foreign policy sector
4/15/2020 Yossi Klein Halevi Senior Fellow at the Shalom Hartman Institute in Jerusalem
4/9/2020 Robert Zoellick Former Deputy Secretary of State
4/2/2020 Sue Gordon Former Principal Deputy Director of National Intelligence
2/27/2020 Sara Vakhshouri Founder and President of SVB Energy International
2/17/2020 John Bolton Former National Security Advisor and U.S. Ambassador to the UN
2/12/2020 Gary Haugen Founder and CEO of International Justice Mission
2/10/2020 Liam Collins Former Aide to General (ret.) Abizaid for Sec Def Mission as Senior Defense Advisor to Ukraine (2016-2018); Retired Special Forces Colonel and former Director of the
Modern War Institute at West Point
2/4/2020 Richard Fontaine CEO of the Center for a New American Security
1/27/2020 Rick Barton Former Assistant Secretary of State for Conflict and Stabilization Operations
1/15/2020 Kristen Silverberg Executive Vice President for Policy at Business Roundtable
12/5/2019 Nivruti Rai Vice President of Intel Foundry Services and head of Intel India
12/3/2019 Samantha Power Former U.S. Ambassador to the UN
11/26/2019 Samm Sacks Cybersecurity Policy & China Digital Economy Fellow at New America
11/25/2019 Petra Goedde Professor at American University's School of International Service
11/25/2019 Joshua Bolten & Denis McDonough Former White House Chief of Staff to President Bush; Former White House Chief of Staff to President Obama
11/13/2019 Robin Kirk; Tim Nichols; David Schanzer Professor of Human Rights at Duke; Visiting Professor of the Practice at Sanford & Director of the Counterterrorism and Public Policy Fellowship Program; Professor of the Practice at Sanford & Director of the Triangle Center on Terrorism and Homeland Security
11/8/2019 Audrey Kurth Cronin Distinguished Professor at American University's School of International Service
10/28/2019 Tzipi Livni Former Foreign Minister of Israel
10/19/2019 David E. Sanger National Security Correspondent for the New York Times
10/16/2019 Peter Wehner Senior Fellow at the Ethics and Public Policy Center
10/14/2019 Timothy Andrews Sayle Assistant Professor of History and Director of the International Relations Program at the University of Toronto
10/2/2019 Fredrik Logevall Laurence D. Belfer Professor of International Affairs at the Harvard Kennedy School
10/1/2019 William J. Burns Former Deputy Secretary of State
9/23/2019 Samantha Ravich Defense & intelligence policy and tech entrepreneur
9/16/2019 Eric Lorber Senior Director, Foundation for the Defense of Democracies and Former Senior Advisor to the Undersecretary for Terrorism and Financial Intelligence
9/11/2019 Farah Pandith Counterterrorism and violent extremism expert
9/5/2019 Jim Steinberg Former Deputy Secretary of State
4/16/2019 Lisa Disbrow Former Under Secretary of the U.S. Air Force
4/10/2019 Robert Satloff Director of the Washington Institute for Near East Policy
4/9/2019 Andrew McCabe Former Deputy Director of the FBI
4/3/2019 Michele Flournoy Former Under Secretary of Defense for Policy
3/20/2019 Michael Morgan Associate Professor of History, UNC Chapel Hill
3/19/2019 Gordon Sondland Ambassador to the EU
3/6/2019 John Kelly Former White House Chief of Staff to President Trump
2/28/2019 Madeleine Albright Former Secretary of State
2/25/2019 Deborah McCarthy; General (Ret.) Sean MacFarland; Stuart Jones Former U.S. Ambassador to Lithuania; retired General; Former U.S. Ambassador to Iraq
2/12/2019 Rick Atkinson Pulitzer Prize winning author and historian
2/6/2019 James M. Lindsay Leading authority on the American foreign policymaking process and the domestic politics of American foreign policy
1/31/2019 Joshua Shifrinson Associate Professor of International Relations at Boston University
1/29/2019 Brett McGurk Former Special Presidential Envoy for the Global Coalition to Counter ISIL
1/24/2019 General (Ret.) Stanley McChrystal Commander of U.S. and Intemational Security Assistance Forces in Afghanistan
1/15/2019 Dan Blumenthal Director of Asian Studies at the American Enterprise Institute
2/14/2019 Leo MacKay Senior Vice President, Ethics and Enterprise Assurance at Lockheed Martin
12/3/2018 David Priess Writer and speaker on the presidency, national security, and intelligence
11/28/2018 Artur Mas Former President of Catalonia
11/5/2018 General Joseph F. Dunford Chairman of the Joint Chiefs of Staff
10/22/2018 Peter Singer Political scientist specializing in international relations and modern warfare
10/15/2018 Stephanie O'Sullivan Former Principal Deputy Director of National Intelligence
10/2/2018 Michael Wear & Farr Curlin Author of "Reclaiming Hope: Lessons Learned in the Obama White House About the Future of Faith in America"; Duke Josiah C. Trent Professor of Medical Humanities
9/27/2018 Sarah Snyder Historian of U.S. foreign relations specializing in human rights and the Cold War
9/6/2018 Thomas Pickering Former Under Secretary of State for Political Affairs and Ambassador to the UN, the
Russian Federation, India, Israel, and Jordan
9/5/2018 Michael McFaul Former U.S. Ambassador to Russia
5/3/2018 Condoleezza Rice & Amy Zegart Former Secretary of State; Senior Fellow at FSI
4/19/2018 William Hitchcock Professor of History at the University of Virginia
4/12/2018 Scott Sagan Professor of Political Science at Stanford University
4/5/2018 Nikki Haley U.S. Ambassador to the UN
3/22/2018 William Taubman Bernard Snell Professor of Political Science at Amherst College
2/28/2018 Jendayi Frazer Former Assistant Secretary of State for African Affairs
2/22/2018 Dominick Wright Deputy Director of Analysis at the Pentagon
2/15/2018 Brian Hook Senior Policy Advisor to the Secretary of State, Director of Policy Planning under Rex Tillerson
2/12/2018 General Lori Robinson Commander, U.S. NORTHCOM & NORAD
2/7/2018 Elliot Abrams Former Deputy Assistant to the President and Deputy National Security Advisor
1/30/2018 Jennifer Bryson & Ismail Royer Writer and translator; Writer and religious sciences scholar
1/24/2018 General (Ret.) Martin Dempsey Former Chairman of the Joint Chiefs of Staff
1/22/2018 Marc Sageman Former CIA Case Officer
1/16/2018 Peter Wittig German Ambassador to the U.S.
12/5/2017 Victor Cha Former NCS Director of Asian Affairs
12/4/2017 Reince Priebus Former Chief of Staff to President Trump
11/29/2017 John Podesta Chair of Hillary for America
11/28/2017 Jeff Engel Director of the Center for Presidential History
11/13/2017 Laszlo Szabo Hungarian Ambassador to the U.S.
11/20/2017 Amjad Bseisu Enquest CEO
10/30/2017 Adam Schiff U.S. Representative
10/19/2017 Paul Teller Special Assistant to the President for Legislative Affairs
10/12/2017 Os Guinness Prolific writer and social critic
10/4/2017 Megan McArdle Writer for Bloomberg
9/25/2017 Avril Haines Former Deputy National Security Advisor to President Obama,
Deputy Director of the CIA and Legal Advisor to the NSC
9/14/2017 Lisa Monaco Former U.S. Homeland Security Advisor
9/13/2017 Graham Allison Professor at the JFK School of Government at Harvard
9/6/2017 Jim Carafano Vice President of The Heritage Foundation
4/21/2017 General Keith Alexander Former Commander of U.S. CYBERCOM and former Director of the NSA
4/7/2017 Joseph S. Nye Jr. Former Dean, Kennedy School of Government at Harvard University
3/27/2017 Admiral Kurt Tidd Commander of U.S. Southern Command
3/23/2017 Charlie Hill Lecturer in International Studies at Yale University
3/21/2017 Jared Cohen President of Jigsaw
3/8/2017 David McCormick co-CEO of Bridgewater Associates and former Under Secretary of the Treasury for
International Affairs
2/24/2017 Kori Schake Research Fellow at the Hoover Institution
2/23/2017 Rosa Brooks Former Counselor to the Under Secretary of Defense for Policy, Columnist at Foreign Policy Magazine, Associate Dean and Professor of Law at Georgetown University
2/14/2017 Will Tobey Former Deputy Administrator for Defense Nuclear Nonproliferation at the National Nuclear Security Administration within the U.S. Department of Energy, Senior Fellow,
Belfer Center for Science and Intemational Affairs
2/10/2017 Christopher Kirchhoff Former Director For Strategic Planning on the National Security Council, Partner at the Defense Innovation Unit Experimental (DIUx)
2/1/2017 Paul Miller Former Director for Afghanistan and Pakistan on the National Security Council, Associate Director of the Clements Center for National Security at the University of Texas at Austin
1/25/2017 Colin Kahl Former National Security Advisor to Vice President Joe Biden
11/3/2016 Peter Wehner Former Deputy Assistant to the President and Director of the White House Office of
Strategic Initiaitive
11/1/2016 Admiral (Ret.) James Stavridis Former NATO Supreme Allied Commander Europe
10/25/2016 Jim Messina & Karl Rove Campaign manager for Barack Obama; Former White House Deputy Chief of Staff to
President Bush
10/19/2016 Ambassador Hahn Choonq-hee Deputy Permanent Representative of the Republic of Korea to the UN
10/18/2016 Heather Hurlburt & Robert Karem Foreign policy advisor to the Clinton campaign; Assistant Secretary of Defense for
International Security Affairs
10/4/2016 Michael Green Senior Vice President for Asia and Japan Chair at the CSIS
9/14/2016 Dina Powell Former Assistant Secretary of State for Educational and Cultural Affairs
9/8/2016 Jeh C. Johnson Former Secretary of Homeland Security
4/15/2016 General (Ret.) Martin Dempsey & Denis McDonough Former Chairman of the Joint Chiefs of Staff; Former White House Chief of Staff to President Obama
4/1/2016 Valerie Hudson Professor of Political Science at The Bush School of Government and Public Service
3/31/2016 Lukman Faily Iraqi Ambassador to the U.S.
3/23/2016 Taavi Roivas Prime Minister of Estonia
3/3/2016 Jon Rosenwasser Minority Budget Director of the Senate Select Committee on Intelligence
3/3/2016 Megan O'Sullivan Former Deputy National Security Adviser on Iraq and Afghanistan
2/18/2016 Deborah James & Sue Gordon Secretary of the Air Force; Deputy Director of the NGA
2/9/2016 Jonathan Fox Professor of Political Science at Bar-llan University
2/4/2016 Ambassador Wendy Sherman Former U.S. Deputy Secretary of State
1/27/2016 Scooter Libby Former Chief of Staff to Vice President Dick Cheney
1/21/2016 David Sanger Chief Washington Correspondent for The New York Times
11/19/2015 Tom Donilon Former National Security Advisor to President Obama
11/12/2015 Robert Jordan Former U.S. Ambassador to Saudi Arabia
11/2/2015 Jack Matlock & Aldona Wos Former U.S. Ambassador to the USSR; Former U.S. Ambassador to Estonia
10/26/2015 Walter Russell Mead Professor of Foreign Affairs and Humanities at Bard College, author of
"Special Providence: American Foreign Policy and How It Changed the World"
10/20/2015 General (Ret.) John Abizaid Former Commander of U.S. CENTCOM
9/30/2015 Mel Middleton Executive Director of Freedom Quest International
9/24/2015 Thomas Christensen Former Deputy Assistant Secretary of State for East Asian and Pacific Affairs
9/10/2015 Jessica Stern Expert and academic scholar of terrorism studies, co -author of "ISIS: The State of Terror"
9/1/2015 Derek Chollet Former Assistant Secretary of Defense for International Security Affairs
4/17/2015 Juan Zarate Senior Adviser at CSIS and former Deputy National Security Advisor on Terrorism
4/10/2015 Stephen Brooks Professor of Government at Darmouth College
4/9/2015 Richard Betts Professor Emeritus of War and Peace Studies and Professor Emeritus of International and Public Affairs at Columbia University
4/8/2015 Mitt Romney Former Governor of Massachusetts and Republican presidential nominee
3/31/2015 Michael Gerson & E.J. Dionne Former presidential speechwriter and current Washington Post opinion writer;  Washington Post columnist and Brookings Institution Senior Fellow
3/24/2015 Lieutenant General (Ret.) Dan Bolger Author of "Why We Lost"
2/16/2015 Christine Young; Kristin Sharp; Ella Lipin Team Chief for CIA Directorate of Intelligence; Legislative Director for Senator Mark Pryor; Research Associate at the Council on Foreign Relations
2/11/2015 Lieutenant General (Ret.) Michael Flynn Former Director of the Defense Intelligence Agency
2/9/2015 Admiral Michael Rogers Commander of U.S. Cyber Command and Director of the NSA
2/6/2015 Jacques Hymans Associate Professor of International Relations at the University of Southern California
1/27/2015 John Nagl Author of "Learning to Eat Soup with a Knife"
1/26/2015 Michael Singh Fellow at The Washington Institute for Near East Policy
1/22/2015 William Eacho Former U.S. Ambassador to Austria
1/13/2015 Jake Sullivan National Security Advisor to Vice President Biden
12/2/2014 Stephen J. Hadley Former National Security Advisor to President George W. Bush
11/20/2014 Lisa Curtis & Jason Kirk Fellow at The Heritage Foundation; Professor of Political Science and Public Policy at Elon University
11/19/2014 General (Ret.) Douglas Fraser Commander of U.S. Southern Command
11/12/2014 Cynthia Buckley Professor of Sociology at the University of Illinois, Urbana-Champaign
11/12/2014 Peter Erben Senior Global Electoral Adviser and County Director for IFES
11/5/2014 Robert Litwak Adjunct Professor at Georgetown University's School of Foreign Service
11/4/2014 Jim Walsh Senior Research Associate at the Massachusetts Institute of
Technology's Security Studies Program (SSP)
10/29/2014 Daniel Philpott Professor of Political Science at the University of Notre Dame
10/27/2014 Bruce Jentleson; Abdeslam Maghraoui; Omid Safi; David Schanzer William Preston Few Distinguished Professor of Public Policy at Duke; Associate Professor of the Practice of Political Science at Duke; Professor in the Department of Asian and Middle Eastern Studies at Duke; Professor of the Practice at Sanford
10/23/2014 John Horgan Director of the Center for Terrorism and Security Studies at UMASS Lowell
10/15/2014 Rick Atkinson Author of "The Longest Day"
10/9/2014 Peter Feaver; Paul Teller Professor of Political Science and Public Policy at Duke; Chief of Staff to Senator Ted Cruz
9/25/2014 Colin Dueck Professor at George Mason University
9/10/2014 Fran Townsend & Daniel Benjamin Former Chair of the Homeland Security Council for President Bush; Former Coordinator for Counterterrorism at the U.S. Department of State
9/3/2014 Marc Trachtenberg Professor of Political Science at UCLA
4/21/2014 Daniel Poneman Deputy Secretary of the U.S. Department of Energy
4/11/2014 General Raymond Odierno Chief of Staff of the Army
3/31/2014 William Inboden Former Senior Director for Strategic Planning on the National Security Council
3/18/2014 Daniel Drezner Professor of International Politics at the Fletcher School of Law and Diplomacy
3/6/2014 Karl Eikenberry Former U.S. Ambassador to Afghanistan
2/24/2014 Richard Immerman Assistant Deputy Director of National Intelligence for Analytic Integrity and Standards, Analytic Ombudsman for the Office of the Director of National Intelligence
2/19/2014 Joel Kaplan Former White House Deputy Chief of Staff for Policy
2/14/2014 Benjamin Miller Professor of International Relations at the University of Haifa
2/6/2014 David Adesnik Research Fellow at the American Enterprise Institute
2/4/2014 Peter Baker White House Correspondent for The New York Times
1/30/2014 Steve Biddle Professor of Political Science at George Washington University
1/27/2014 Francis Gavin Chair of Nuclear Security Policy at the University of Texas at Austin
1/17/2014 Britt Slabinski Former Navy SEAL
1/14/2014 Michael Allen Author of "Blinking Red: Crisis and Compromise in American Intelligence after 9/11"
11/14/2013 Erez Manela Professor of History at Harvard University
11/11/2013 Michael V. Hayden & Barton Gellman Former Director of the CIA and NSA; Pulitzer Prize winning journalist
11/4/2013 George Selim Director of Community Partnerships on the National Security Council
10/29/2013 Kori Schake Research Fellow at the Hoover Institution
10/23/2013 Robert Gallucci Chief U.S. negotiator during North Korean Nuclear Crisis of 1994
10/21/2013 Melvyn Leffler Professor of History at the University of Virginia
9/25/2013 Tom Nides Former Deputy Secretary of State for Management and Resources
9/17/2013 Ole R. Holsti Professor of Political Science at Duke University
9/11/2013 David H. Petraeus Former Director of the CIA
8/28/2013 Farah Pandith Special Representative to Muslim Communities for the U.S. Department of State
4/4/2013 Anthony Cucolo Former Army Chief of Public Affairs
4/1/2013 Lietuenant General (Ret.) H.R. McMaster Commanding General, U.S. Army Maneuver Center of Excellence
3/20/2013 Brent Scowcroft Lieutenant General
3/4/2013 Rebiya Kadeer President of the World Uyghur Congress
2/20/2013 Kurt Campbell Assistant Secretary of State for East Asian and Pacific Affairs
2/12/2013 Senator Richard Lugar Former Chairman of the Senate Foreign Relations Committee
1/28/2013 Thomas Lehrman Partner at Haystack Partners
11/29/2012 Ashton Carter Deputy Secretary of Defense
11/14/2012 John Zogby Founder of the world famous Zogby poll
11/14/2012 Jack Goldsmith Assistant Attorney General for the Office of Legal Counsel under President George W. Bush
10/22/2012 Karl Rove & Howard Dean Former White House Deputy Chief of Staff under President George Bush; Former Chair of the Democratic National Committee
10/4/2012 Thom Shanker Pentagon correspondent for the New York Times
9/27/2012 Michele Flournoy Undersecretary of Defense for Policy
9/20/2012 Peter Beinart Former editor of The New Republic
9/10/2012 Jon Huntsman Jr. Former Governor of Utah and U.S. Ambassador to Singapore and China
4/10/2012 Condoleezza Rice Former Secretary of State
3/13/2012 R. James Woolsey Former Director of Central Intelligence
1/17/2012 John Negroponte Former U.S. Ambassador to Honduras, Mexico, the Philippines, the UN, and Iraq
1/12/2012 General Martin Dempsey 18th Chairman of the Joint Chiefs of Staff
12/7/2011 Dan Blumenthal Director of Asian Studies at the American Enterprise Institute
11/14/2011 Jeremi Suri Mack Brown Distinguished Professor for Leadership in Global Affairs at the University of Texas at Austin
11/1/2011 Anne-Marie Slaughter Former Director of Policy Planning for the U.S. Department of State
10/26/2011 Douglas Lute Deputy National Security Advisor for Iraq and Afghanistan
10/20/2011 Janet Napolitano Former Secretary of the Department of Homeland Security
9/23/2011 Arzu Kibris Associate Professor in Political Science and Conflict Studies
9/8/2011 Juan Zarate Deputy National Security Advisor for Counterterrorism
3/31/2011 General Mike Holmes General, Air Combatant Command
3/2/2011 Dan Reiter Professor of Political Science at Emory University
2/28/2011 James Steinberg Former Deputy Secretary of State
2/3/2011 Peter Baker White House Correspondent for The New York Times
1/25/2011 Charles Kupchan Former Director for European Affairs on the National Security Council
1/18/2011 Farah Pandith Special Representative to Muslim Communities
1/17/2011 Aldona Wos Former U.S. Ambassador to Estonia
12/1/2010 Shireen Hunter Visiting Fellow at Georgetown's Prince Alwaleed Bin Talal Center for
Muslim Christian Understanding
10/27/2010 Bob Woodward Best-selling author and Washington Post reporter
9/29/2010 Robert Gates Secretary of Defense
9/23/2010 Robert Jervis Professor of International Politics at Columbia University
9/7/2010 Richard Danzig Former Secretary of the U.S. Navy
3/23/2010 Joseph Nye, Jr. Former Assistant Secretary of State
3/16/2010 Elliott Abrams Former Deputy National Security Director
2/22/2010 William Burns Under Secretary of State for Political Affairs
2/11/2010 Mahmood Mamdani Professor at Columbia University
1/27/2010 Sir Nigel Sheinwald British Ambassador to the U.S.
1/25/2010 Stephen Stedman Former Assistant Secretary General of the UN
11/9/2009 Fareed Zakaria Journalist and political commentator
11/6/2009 Kurt Campbell Former Assistant Secretary of State for East Asian and Pacific Affairs
10/29/2009 Meghan O'Sullivan Former Deputy National Security Advisor for Iraq and Afghanistan
10/27/2009 Douglas Faith Former Undersecretary of Defense
10/1/2009 John Bolton Former U.S. Ambassador to the UN
9/20/2009 H.R. McMaster Brigadier General, TRADOC
9/10/2009 John Hillen Former Assistant Secretary of State for Political-Non-Partisan Affairs
3/26/2009 Stephen J. Hadley Former National Security Advisor to President Bush
3/5/2009 Paul Kennedy Grand Strategy historian
3/2/2009 John Gaddis Cold War historian
1/14/2009 Bruce Bueno de Mesquita & Michael Doran Senior Fellow at the Hoover Institution; Senior Fellow at the Hudson Institute
11/13/2008 Juan Zarate Former Deputy Assistant to the President and Deputy National Security Adviser for
combating terrorism
11/7/2008 Jeremy Black Historian and professor of history at the University of Exeter
10/23/2008 David E. Sanger Chief Washington Correspondent at the New York Times
10/7/2008 Derek Chollet Former Special Assistant to the President and Senior Director for Strategic Planning on the National Security Council
10/1/2008 Peter Wehner Former Deputy Assistant to the President and Director of the White House
Office of Strategic Initiative
3/26/2008 Stephen J. Hadley Former National Security Advisor to President Bush
3/5/2008 Paul Kennedy Historian and news writer
2/26/2008 John Gaddis Professor of Non-Partisan and Naval History at Yale University
12/3/2007 Karl Rove Former Deputy Chief of Staff and Senior Advisor to President George W. Bush