Paul Achleitner, March 2, 2016
Chimamanda Ngozi Adichie JHU '03, April 14, 2017
Madiha Afza, March 15, 2018
Priya Agrawal, April 15, 2016
Masood Ahmed, February 17, 2016
Montek Singh Ahluwalia, April 20, 2016
Madeleine Albright, June 18, 2016
Samuel Alito, Jr.,  September 12, 2016
General John Rutherford Allen, December 9, 2015
Isabel Saint Malo de Alvarado, February 20, 2018
Marco Alverà, September 29, 2017
Adam Ambrogi, February 23, 2018
Rodney Andrews, February 14, 2017
Lady Catherine Ashton, April 10, 2017
Lina Sergie Attar, April 3, 2018
Bertrand Badré, November 12, 2015
Ambassador Barbara Barrett, December 17, 2015
Daniel Barnett, MD, April 26, 2016
Priya Basu, April 26, 2016
Abdirahman D. Beileh, October 12, 2017
Lora Berg '84, February 13, 2017
Don Beyer, September 7, 2016
Shaykh Abdullah Bin Bayyah, February 2, 2017
Lieutenant General David Berger '05, October 26, 2017
Sheri Berman, November 9, 2017
Federiga Bindi, April 10, 2017
Bill Bishop, February 3, 2016
Antony Blinken, September 13, 2017
Maria Elena Boschi, February 19, 2016
Hal Brands, February 3, 2017
John Brennan, March 23, 2016
Tina Brown, October 12, 2016
William J. Burns, November 17, 2015
Dennis Carroll, April 26, 2016
Amy Celico, October 9, 2017
Martin Cerisola, February 17, 2016
Nadereh Chamlou, February 17, 2016
Shamila Chaudhary, October 5, 2017
Ling Chen, March 29, 2016
Derek Chollet, September 20, 2016
David Chun, September 7, 2016
Janine Austin Clayton, April 15, 2016
Eliot A. Cohen, February 3, 2017
Roger Cohen, May 2, 2017
Celeste Connors, April 26, 2016
Helene Cooper, October 23, 2017
Chester Crocker ’65, PhD ’70, October 16, 2017
H.E. Jose L. Cuisia, April 28, 2016
James Cunningham, November 2, 2017
Nikhil da Victoria Lobo, April 26, 2016
Uri Dadush, March 22, 2016
Bernice Dapaah, September 22, 2017
Ronald J. Daniels, June 17-19, 2016
Kent Davis-Packard, February 13, 2017
Chen Deming, June 17-19, 2016
Rust Deming, January 6, 2017
Roger Diwan, June 8, 2016
David Dollar, March 29, 2016
Christoph Duenwald, November 2, 2017
General Joseph Dunford, Jr, October 27, 2016
Ambassador Eric Edelman, February 3, 2017
Jan Eliasson, November 5, 2015
Berit Enge, April 3, 2017
Gady Epstein, February 3, 2016
Diana Farrell, May 1, 2017
Gregory Feifer, October 5, 2017
Niall Ferguson, December 9, 2015
Roger W. Ferguson, Jr, February 3, 2017
Catherine Fieschi, May 11, 2017
Michèle Flournoy, March 29, 2018
Vice Admiral Michael T. Franken, February 27, 2017
Carla Freeman, September 27, 2017
Ambassador Daniel Fried, May 11, 2017
Ambassador Laurie S. Fulton, February 13, 2017
Mitsuhiro Furusawa, March 22, 2016
Adam Garfinkle, April 4, 2016
Michel Gabaudan, February 7, 2017
Galia Golan, February 27, 2017
Jeremy Goldkorn, February 3, 2016
Jennifer Gootman, March 15, 2017
Peter Grauer, September 7, 2016
Lani Guinier, February 16, 2016
Stephen Hadley, October 22, 2015
Penda Hair, February 16, 2016
Jason Hamacher, April 3, 2018
Birgit Hansl, May 6, 2016
Farrah Hassen, April 3, 2018
General Michael Hayden, April 4, 2017
Davida Herzl, September 7, 2016
Carrie Hessler-Radelet, February 15, 2017
Judge (retired) Alice Hill, April 3, 2017
Anne Hillerman, April 27, 2017
Carla Hills, March 29, 2016
Daniel Honig, April 9, 2018
Yuichi Hosoya, January 6, 2017
His Excellency Peter Hultqvist, May 16, 2017
Aasim M. Husain, June 8, 2016
Ahsan Iqbal, October 11, 2017
Kenneth M. Jacobs, October 1, 2015
Ambassador Deborah Jones, March 6, 2017
Rep. Walter Jones (R-NC), March 6, 2018
Chen Jun, June 17-19, 2016
Matake Kamiya, January 6, 2017
Yoichi Kato, January 6, 2017
Cathleen Kelly, April 3, 2017
Ambassador Zalmay Khalilzad, October 30, 2017
Rep. Ro Khanna (D-CA), March 6, 2018
Mikhail Khodorkovsky, October 10, 2017
Rami Khouri, October 22, 2015
Jeni Klugman, April 12, 2017
Edward Knight, September 7, 2016
Senator Menno Knip, May 9, 2016
Monica Kowal, September 7, 2016
Pravin Krishna, April 20, 2016
Rachel Kyte, October 16, 2017
Christine Lagarde, March 8, 2018
David M. Lampton, March 29, 2016
Nicholas Lardy, March 29, 2016
William P. Lauder, September 7, 2016
Philippe Lazzarini, June 24, 2016
Roger Leeds, March 29, 2016
The Honorable Andrew Leslie, May 2, 2017
Cui Liru, October 9, 2017
Michael Lovenheim, February 14, 2017
Edward Luce, November 9, 2017
Richard Lugar, April 28, 2016
Ambassador Douglas Lute, October 30, 2017
Ambassador Princeton Lyman, February 27, 2017
Michael Lynton, October 19, 2015
Margaret MacMillan, March 27, 2017
Thomas Mahnken, February 3, 2017
Suzanne Maloney, February 17, 2016
Michael Mandelbaum, April 4, 2016
Catherine L. Mann, November 26, 2015
Robert Manning, January 6, 2017
Gen. James N. Mattis, January 19, 2018
James McIntire, September 7, 2016
John McLaughlin, September 20, 2017
Brian Mikkelsen, March 5, 2018
Liu Mingkang, March 29, 2016
Phumzile Mlambo-Ngcuka, April 12, 2017
Seth Andre Myers, April 3, 2017
Laxman Narasimhan, October 21, 2016
Vali Nasr, February 27, 2017
Susan Ness, September 7, 2016
Frederic Neumann '00, PhD '05, February 13, 2017
Rachel Notley, April 28, 2016
Ambassador Lana Nusseibeh, May 2, 2016
Chiedo Nwankor, February 24, 2017
Inuuteq Holm Olsen, April 03, 2017
Rohullah Osmani, November 2, 2017
Evan Osnos, February 3, 2016
Ambassador Anne W. Patterson, September 17, 2015
Joseph Pennington, October 17, 2017
General (ret.) David H. Petraeus, September 28, 2017
Ambassador Thomas Pickering, February 27, 2017
Richard Plepler, March 10, 2016
Kenneth Pollack, October 22, 2015
James Przystup, January 6, 2017
Jeffrey Raider '04, April 6, 2017
Matteo Renzi, October 19, 2016
Condoleezza Rice, May 12, 2017
Susan Rice, February 13, 2018
Anne C. Richard, February 7, 2017
A William M. Rodgers III, February 14, 2017
Olafr Røsnes, April 3, 2017
Trudy Rubin, April 4, 2016
Paolo Scaroni, October 21, 2015
Wolfgang Schäuble, April 20, 2017
James Schoff, January 6, 2017
Chiara Scotti, September 21, 2017
Mine Z. Senses, February 14, 2017
Jacquelyn Serwer, February 24, 2016
Jean-Francois Seznec, June 8, 2016
Jessica Shadian, April 3, 2017
Ambassador Wendy R. Sherman, May 19, 2016
Teri Shultz, April 10, 2017
Adam Sieminski, January 5, 2017
Aaretti Siitonen, April 3, 2017
Randa Slim,  October 17, 2017
Martin Sommer, June 8, 2016
David A. Steinberg, November 1, 2017
Brande Stellings, September 7, 2016
Constanze Stelzenmüller, May 11, 2017
Steve Strongin, March 4, 2016
Lawrence Summers, February 10, 2016
Nicholas Szechenyi, January 6, 2017
Reka Szemerkenyi, October 8th, 2015
Andrew J. Tabler, October 5, 2017
Antonio Tajani, February 13, 2018
Akio Takahara, January 6, 2017
Minjon Tholen, February 13, 2017
Mischa Thompson, February 13, 2017
Rear Admiral (retired) David Titley, April 3, 2017
Hung Tran, March 22, 2016
James Traub, May 11, 2017
Tiger Tyagarajan, September 7, 2016
Fran Ulmer, April 3, 2017
Johannes Urpelainen, October 16, 2017
Hashim Wahdatyar, October 5, 2017
Darren Walker, May 25, 2017
Scott Warden, January 9, 2017
Earl Anthony Wayne, November 2, 2017
Ruth Wedgwood, February 7, 2017
James White, September 7, 2016
Maureen White, February 7, 2017
Gita Wirjawan, April 12, 2016
Peter Wittig, October 8th, 2015
Kathleen Wynne, September 14, 2017
Ambassador Ken Yalowitz, April 3, 2017
Shahid Yusuf, March 29, 2016
I. William Zartman, February 27, 2017
Min Zhu, June 8, 2016
Bill Gates, June 27, 2018
Giuliana Auinger, May 31, 2018
Francis Gavin, May 31, 2018
Sean Kanuck, May 31, 2018
Dan Kelly, May 31, 2018
Sabrina Lin, May 31, 2018
John Lipsky, May 31, 2018
Vali Nasr, May 31, 2018
James Rickards, May 31, 2018
Thomas Rid, May 31, 2018
Peter Hultqvist, May 9, 2018
Gloria Estefan, May 9, 2018
Admiral Mike Mullen, May 8, 2018
Condoleezza Rice, May 2, 2018
Amy Zegart, May 2, 2018
Steve Coll, April 30, 2018
Kevin Bush, April 24, 2018
Jo-Ellen Darcy, April 24, 2018
Samantha Medlock, April 24, 2018
Josh Sawislak, April 24, 2018
Celeste Connors, April 24, 2018
Salam Fayyad, April 26, 2018