Steven Pifer

steven pifer

Steven Pifer

  • Affiliate, CISAC
  • Affiliate, The Europe Center

Biography

Steven Pifer is an affiliate of the Center for International Security and Cooperation as well as a non-resident senior fellow with the Brookings Institution.  He was a William J. Perry Fellow at the center from 2018-2022 and a fellow at the Robert Bosch Academy in Berlin from January-May 2021.

Pifer’s research focuses on nuclear arms control, Ukraine, Russia and European security. He has offered commentary on these issues on National Public Radio, PBS NewsHour, CNN and BBC, and his articles have been published in a wide variety of outlets.  He is the author of The Eagle and the Trident: U.S.-Ukraine Relations in Turbulent Times (Brookings Institution Press, 2017), and co-author of The Opportunity: Next Steps in Reducing Nuclear Arms (Brookings Institution Press, 2012).

A retired Foreign Service officer, Pifer’s more than 25 years with the State Department focused on U.S. relations with the former Soviet Union and Europe, as well as arms control and security issues.  He served as deputy assistant secretary of state in the Bureau of European and Eurasian Affairs with responsibilities for Russia and Ukraine, ambassador to Ukraine, and special assistant to the president and senior director for Russia, Ukraine and Eurasia on the National Security Council.  In addition to Ukraine, he served at the U.S. embassies in Warsaw, Moscow and London as well as with the U.S. delegation to the negotiation on intermediate-range nuclear forces in Geneva.  From 2000 to 2001, he was a visiting scholar at Stanford’s Institute for International Studies, and he was a resident scholar at the Brookings Institution from 2008 to 2017.

Pifer is a 1976 graduate of Stanford University with a bachelor’s in economics.

 

publications

Policy Briefs
December 2023

The Uncertain Future of the New START Treaty

Author(s)
The Uncertain Future of the New START Treaty
Commentary
March 2023

Three ways the US should respond to Russia’s suspension of New START

Author(s)
Three ways the US should respond to Russia’s suspension of New START
Commentary
January 2023

How the war in Ukraine hinders US-Russian nuclear arms control

Author(s)
How the war in Ukraine hinders US-Russian nuclear arms control

In The News

Nevada nuclear test site sedan crater
Commentary

Resumed U.S. Nuclear Testing? Unnecessary and Unwise

In an October 29 Truth Social post, President Donald Trump said he had ordered the Defense Department to resume testing U.S. nuclear weapons. Four days later, Secretary of Energy Chris Wright clarified that the United States did not intend to conduct nuclear explosive tests.
Resumed U.S. Nuclear Testing? Unnecessary and Unwise
Vladimir Putin and Donald Trump in conversation on the tarmac of the Joint Base Elmendorf-Richardson on August 15, 2025 in Anchorage, Alaska.
Commentary

Responding to Putin’s Proposal to Extend New START

With the [New START] treaty due to expire in February 2026, the Trump administration must decide how to respond to a Russian proposal to extend the treaty’s quantitative limits for one year.
Responding to Putin’s Proposal to Extend New START
Trump meeting Aug 18, 2025
Commentary

Guaranteeing Ukraine’s Security

European leaders came to Washington to bolster Zelensky’s position following Trump’s grievous Alaska conversation with Russian President Putin.
Guaranteeing Ukraine’s Security