He served as the president of the Ploughshares Fund, a public grant-making foundation focused on nuclear nonproliferation and conflict resolution.

[2][3] He has one son, Peter Cirincione, who teaches government classes at Montgomery Blair High School in Silver Spring, Maryland.

He joined the Quincy Institute for Responsible Statecraft as a non-resident fellow in September 2020, and is an adjunct faculty member at the Georgetown University School of Foreign Service.

[15] Cirincione previously served as vice president for national security and international policy at the Center for American Progress in Washington, DC.

"[17] He worked for nine years in the U.S. House of Representatives, beginning in 1985 as a professional staff member of the Committee on Armed Services.