Colin Kahl

Colin Kahl
Kahl in 2021
Under Secretary of Defense for Policy
In office
April 28, 2021 – July 17, 2023
PresidentJoe Biden
Preceded byJohn Rood
Succeeded byElbridge Colby
National Security Advisor to the Vice President
In office
August 1, 2014 – January 20, 2017
Vice PresidentJoe Biden
Preceded byJake Sullivan
Succeeded byAndrea L. Thompson
Personal details
BornColin Hackett Kahl
(1971-06-01) June 1, 1971
Michigan, U.S.
PartyDemocratic
EducationUniversity of Michigan (BA)
Columbia University (PhD)
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Colin Hackett Kahl is an American political scientist who served as under secretary of defense for policy in the Biden administration from April 28, 2021, to July 17, 2023. Previously, he served as national security advisor to the vice president under then-Vice President Joe Biden (2014–2017). After the Obama administration, Kahl served as a Steven C. Házy Senior Fellow at the Center for International Security and Cooperation (CISAC) at Stanford University. Since January 2026, Kahl is the Director of Stanford’s Freeman Spogli Institute (FSI) for International Studies, which includes CISAC.

In the Obama administration, Kahl was involved in the negotiations of the Joint Comprehensive Plan of Action, commonly known as the Iran nuclear deal. After leaving the administration, he was subject to disinformation campaigns, as well as private intelligence investigations by former Trump administration staff that targeted him, his wife and children.