I am the R. Wendell Harrison Distinguished Service Professor in the Political Science Department at the University of Chicago, where I have taught since 1982.

Above all else, I am an international relations theorist. More specifically, I am a realist, which means that I believe that the great powers dominate the international system and they constantly engage in security competition with each other, which sometimes leads to war.

Although I have dedicated my life to scholarship, I have also tried to engage in the policy debates of the day. For example, I was one of the most outspoken opponents of the 2003 Iraq War before it happened. I firmly believe that social science theories are invaluable for making and analyzing foreign policy.

Recent Work

Foreign Affairs

The Inevitable Rivalry

John J. Mearsheimer

Aug 26, 2021

Defending the US withdrawal from Afghanistan

Between The Lines with Tom Switzer

International Security, Vol. 43, No. 4 (Spring 2019), pp. 7-50

Bound to Fail: The Rise and Fall of the Liberal International Order

John J. Mearsheimer

The New York Times, July 1, 2019

Iran Is Rushing to Build a Nuclear Weapon — and Trump Can’t Stop It

John J. Mearsheimer