Pentti Aalto is an energy analyst and consultant with more than 25 years experience developing innovative energy solutions.
Susan Ariel Aaronson is associate research professor at The George Washington University's Elliott School of International Affairs.
Hawa Abdi is a Somali human rights activist, a doctor specializing in gynecology, and founder of one of the largest camps for internally displaced persons in Somalia.
Geneive Abdo is a correspondent for The Boston Globe focusing on Middle East issues.
Fazle Hasan Abed
Fazle Hasan Abed is founder and chairperson of BRAC, the international development NGO formerly known as Bangladesh Rural Advancement Committee.
John C. Abell
John C. Abell is the founding New York City bureau chief of wired.com, a position he took up in 2008.
Arash Abizadeh is an associate professor in the Department of Political Science and an associate member of the Department of Philosophy at McGill University.
David S. Abraham
David S. Abraham runs the Technology, Rare and Electronics Materials Center and is author of "The Elements of Power."
Hirad Abtahi is the first legal adviser of the Presidency of the International Criminal Court (ICC).
Dr. Izzeldin Abuelaish is associate professor at the Dalla Lana School of Public Health at the University of Toronto.
Arnab K. Acharya
Arnab K. Acharya is a senior technical advisor at the Research Triangle Institute in Washington, D.C.
Pranita Achyut is a senior adolescent and gender specialist at the International Center for Research on Women (ICRW) Asia Regional Office in Delhi, India.
Peter Ackerman is the founding chair of the International Center on Nonviolent Conflict in Washington, D.C., and one of the world's leading authorities on nonviolent conflict.
Jeremy Adelman is Walter Samuel Carpenter III Professor in Spanish Civilization and Culture at Princeton University. He is also director of the Council for International Teaching and Research and for the Fund for Canadian Studies.
Considered one of the foremost experts on organized crime in Japan, Jake Adelstein works as a writer and consultant in Japan and the United States.
Dwi Adhiasto is a wildlife trade expert with the Wildlife Conservation Society—Indonesia Program.
Christopher Adkins is director of the Undergraduate Business Program at the College of William & Mary (Mason School of Business) in Williamsburg, Virginia.
Emanuel Adler is professor of international relations at the Hebrew University of Jerusalem.
Anant Agarwal is CEO of edx, an online learning destination founded by Harvard and Massachusetts Institute of Technology (MIT), and a professor of electrical engineering and computer science at MIT.
Nisha Agarwal is commissioner of the NYC Mayor's Office of Immigrant Affairs.
Arun Agrawal is professor and associate dean for research in the School of Natural Resources & Environment at the University of Michigan.
Monti Aguirre is the Latin American campaigner for the International Rivers Network.
Sartaz Ahmed is a principal with Booz & Company and works with clients in the energy and infrastructure sectors on critical issues related to energy, carbon, and sustainability.
Ilsup Ahn is Carl I. Lindberg Professor of Philosophy at North Park University. He received his Ph.D. from the University of Chicago in the area of social and religious ethics.
Kirsten Ainley is lecturer in international relations at the London School of Economics.
Raji Ajwani-Ramchandani is an assistant professor at the Symbiosis Centre for Management and Human Resource Development.
Zamir Akram is a Pakistani diplomat.
Mustafa Aksakal is an associate professor of history at Georgetown University, where he teaches courses in Ottoman and Modern Turkish history.
Ahed Al Hendi
Ahed Al Hendi is the founder of Syrian Youth for Justice and the Arabic program coordinator of CyberDissidents.org.
Zeid Ra'ad Al Hussein
Zeid Ra'ad Al Hussein is the United Nations high commissioner for human rights. He was previously Jordan's permanent representative to the UN and Jordan's ambassador to the United States.
Rasheed Bander Al-Khayoun
R.B. Al-Khayoun, a native of the Iraq Marshes, is a researcher and writer.
Faisal Saeed Al-Mutar
Faisal Saeed Al-Mutar is an Iraqi-born writer, public speaker, and human rights activist based in the United States.
Robert Albro specializes in Bolivian popular political movements.
Grant Aldonas holds the William M. Scholl Chair in International Business at the Center for Strategic and International Studies (CSIS). Previously, he had a distinguished career in law, business, and international economic policy, including service at senior levels in the U.S. government.
Caroline Alexander is an author and a journalist.
Joel Alexander is currently pursuing a master's degree in global affairs at New York University's Center for Global Affairs in the international business and economics (private sector) concentration.
Saleem H. Ali
Saleem H. Ali is director of the Centre for Social Responsibility in Mining at the University of Queensland Australia.
Robert Z. Aliber
Robert Z. Aliber is professor of international economics and finance at the University of Chicago.
Ali A. Allawi
Ali A. Allawi is the former minister of Finance, Defense, and Trade of Iraq. Currently, he is a senior visiting fellow at Princeton University.
John R. Allen
General John R. Allen, USMC (Ret.) is a distinguished fellow in the Foreign Policy program at Brookings, working within the Center on 21st Century Security and Intelligence. He is the former commander of the International Security Assistance Force and U.S. Forces Afghanistan.
John L. Allen
John L. Allen Jr. is the prize-winning Vatican writer for the "National Catholic Reporter," a U.S. Catholic weekly.
Laurance Allen is editor and publisher of Value News Network.
Brian Allenby is Manager of Operations and Education for Reverb, a nonprofit that consults with entertainers to make their concerts and events environmentally friendly.
Kelly D. Alley
Kelly D. Alley is associate professor and director of the anthropology program at Auburn University in Auburn, Alabama.
Graham Allison is the Douglas Dillon Professor of Government at Harvard University and director of the Belfer Center for Science and International Affairs.
Brenda Almond is emeritus professor of moral and social philosophy at the University of Hull, United Kingdom and president of the Philosophical Society of England.
Lydia Alpízar is a feminist human rights activist.
Philip Alston is John Norton Pomeroy Professor of Law at New York University Law School, and co-chair of its Center for Human Rights and Global Justice.
John D. Altenburg
Major General John D. Altenburg (U.S. Army ret.) is a former Green Beret who served as Deputy Judge Advocate General for the Department of the Army from 1997-2001.
Jon B. Alterman
Jon B. Alterman is director and senior fellow of the Middle East Program at the Center for Strategic and International Studies.
Hakan Altinay is nonresident senior fellow, global economy and development, at the Brookings Institution; chairman of the Open Society Foundation-Turkey; and lecturer at Sabanci University in Istanbul.
Daniel Altman is director of thought leadership at Dalberg Global Development Advisors and president of North Yard Economics, a nonprofit consulting firm serving developing countries.
Eduardo Amadeo, former ambassador to the United States from Argentina, served as president and CEO of Banco de la Provincia de Buenos Aires.
Joseph Amann is an investment valuation and analytics manager at The Carlyle Group, where he analyzes private equity and real assets portfolios.
Akhil Reed Amar
Akhil Reed Amar is Sterling Professor of Law and Political Science at Yale University, where he teaches constitutional law at both Yale College and Yale Law School.
Philip Amaral is a Policy and Advocacy Officer at the Jesuit Refugee Service Europe.
Stefanie R. Ambrosio is events manager for Ethics Matter, Public Affairs, and U.S. Global Engagement programs. She is also the assistant for senior fellow and program director David C. Speedie.
Roger T. Ames
Roger T. Ames is professor of philosophy and director of the Center for Chinese Studies at the University of Hawaii. He is editor of the journal Philosophy East & West.
Hooshang Amirahmadi is a professor and former director of the Center for Middle Eastern Studies at Rutgers University.
Oriol Amorós is the secretary of equality, migration and citizenship for the government of Catalonia.
Deborah Amos covers Iraq for NPR News. Her reports can be heard on NPR's award-winning "Morning Edition," "All Things Considered," and "Weekend Edition."
Abdullahi A. An-Naím
Abdullahi A. An-Naím is a professor at Emory School of Law.
José Anadón taught in the Department of Modern and Classical Languages at the University of Notre Dame.
The Rt. Hon. Michael Ancram, QC, MP is a British Conservative Party politician and member of Parliament for Devizes.
David A. Andelman
David A. Andelman is editor of World Policy Journal. Previously he was executive editor of Forbes.com.
Kurt Andersen is a best-selling novelist and writer and the host of the Peabody Award-winning radio program "Studio 360." He is a co-founder of "Spy" magazine and the former editor-in-chief of "New York" magazine.
Scott Anderson is a novelist, journalist, and war correspondent.
Kenneth Anderson is professor of law at Washington College of Law at American University and visiting fellow at The Hoover Institution of War, Revolution and Peace at Stanford University.
Lisa Anderson is president of The American University of Cairo (AUC). She served as provost of AUC from 2008-2010. Previously, Dr. Anderson was dean of the School of International and Public Affairs and professor in political science, Columbia University. She was a Carnegie Council trustee from 2000-2010.
Bridget Anderson is professor of migration and citizenship and research director at the University of Oxford's Centre on Migration, Policy and Society (COMPAS).
Steinar Andresen is a senior research fellow at the Fridtjof Nansen Institute, in Norway.
Dave Andrews is the chairman of the Claverton Energy Research Group.
Sheldon Annis is the author of "God and Production in a Guatemalan Town" and other books.
Oksana Antonenko is a senior fellow for Russia and Eurasia at the International Institute for Strategic Studies.
Norbert Anwander is lecturer in philosophy and research fellow at the Ethics Centre of the University of Zurich.
Ichiro Aoyagi is manager, Business Development, at Fujitsu Limited.
Kwame Anthony Appiah
Kwame Anthony Appiah is the Laurance S. Rockefeller University Professor of Philosophy at Princeton University.
Betsy Apple is a lawyer and activist who has worked for 12 years on domestic and international human rights and environmental issues.
Suhas Apte is vice president, global sustainability at Kimberly-Clark.
Bassam Aramin is an international spokesperson for the Parents Circle Families Forum, a grassroots organization of bereaved Palestinians and Israelis.
Zehra F. Arat
Zehra F. Arat is Juanita and Joseph Leff Distinguished Professor Political Science and Women's Studies, School of Natural and Social Sciences, at Purchase College of the State University of New York.
Andrew Arato is Dorothy Hirshon Professor in Political and Social Theory at the Graduate Faculty, New School University.
Louise Arbour is president and CEO of International Crisis Group. She served as UN High Commissioner for Human Rights from 2004 to 2008.
Daniele Archibugi is research director at the Italian National Research Council, and professor of innovation, governance, and public policy at the University of London, Birkbeck College.
Alessandra Arcuri, LLM, is assistant professor of law and economics, and international economic law.
Dan Ariely is the James B. Duke professor of Psychology and Behavioral Economics at Duke University.
Elizabeth Arkell is Events Coordinator and Policy Researcher at Student Movement for Real Change.
David Arkless is president of Corporate and Government Affairs at Manpower Inc.
Odd Arne Westad
Odd Arne Westad is professor of international history at the London School of Economics and Political Science (LSE), co-director of LSE IDEAS, and editor of the journal "Cold War History."
Phil Aroneanu is Creative Media Coordinator of 350.org, an international campaign to limit greenhouse gas emissions.
Gustaf Arrhenius is professor of practical philosophy at Stockholm University in Sweden and director of the Institute for Future Studies.
David Art is an associate professor of comparative politics and European politics in the Department of Political Science at Tufts University. His research interests include extremist political parties and movements.
Paige Arthur was an editor of Ethics & International Affairs for over five years, leaving in 2006. She is currently deputy director of research at the International Center for Transitional Justice.
Susan Aryeetey is the resource mobilisation officer at the International Federation of Women Lawyers in Ghana (FIDA-Ghana).
Nargiz Asadova is editor-in-chief of "Echo of Moscow" website. She also works as a foreign correspondent and co-host of the radio program "48 Minutes" on Echo of Moscow radio station.
Timothy Garton Ash
Timothy Garton Ash is Isaiah Berlin Professorial Fellow Professor of European Studies and honorary chair, St Antony's College European Studies Centre, University of Oxford.
Neshad Asllani is a co-founder of the Kosovo Center for Human Rights.
Jeffery Atik is professor of Law and Sayre Macneil Fellow at Loyola Law School, Los Angeles.
Henry A. Atkinson
Rev. Henry A. Atkinson was general secretary of the Church Peace Union (now Carnegie Council) from 1918-1955.
Ken Auletta is an author and also the media critic for The New Yorker.
Diane E. Austin
Diane E. Austin is associate professor in Environmental Studies at the Bureau for Applied Research in Anthropology (BARA)at the University of Arizona.
Dr Greg Austin is a Professorial Fellow with the EastWest Institute in New York and a visiting professor at the University of New South Wales (Canberra).
Séverine Autesserre is assistant professor of political science, specializing in international relations and African studies, at Barnard College, Columbia University.
Bernardito C. Auza
His Excellency, The Most Reverend Bernardito C. Auza is permanent observer of the Holy See to the United Nations and to the Organization of American States. He is also Titular Archbishop of Suacia and Apostolic Nuncio of Haiti.
Shakeel Avadhany is president, CEO, and co-founder of Levant Power, inventors of the GenShock technology for capturing energy from vehicle suspension systems to improve fuel efficiency.
Christopher L. Avery
Christopher Avery is an international human rights lawyer who founded the Business & Human Rights Resource Centre.
Asli Ay is managing partner at US Policy Metrics, a policy analysis firm serving hedge funds and asset management companies.
Cemil Aydin is assistant professor of Asian history at the University of North Carolina at Charlotte.
David K. Aylward
David Aylward is the senior advisor, Global Health and Technology, at Ashoka, the 30-year-old international network of social entrepreneurs.
Zaid al-Ali is senior adviser on constitution building at International IDEA and was a legal adviser to the United Nations in Iraq from 2005 to 2010.