
Lachlan MacKenzie is a research associate with the Project on Nuclear Issues in the Defense and Security Department at the Center for the Strategic and International Studies (CSIS). Previously, Lachlan worked as an intern with the Institute for the Study of War and the Institute for National Strategic Studies. He graduated from Brown University with a BA in international relations.
All Lachlan MacKenzie Content
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Escalation as a Path to Peace: Risk Tolerance and Negotiations in Ukraine
Podcast Episode by Lachlan MacKenzie — December 19, 2024

Escalation as a Path to Peace: Risk Tolerance and Negotiations in Ukraine
Commentary by Lachlan MacKenzie — December 9, 2024
Report Launch: Project Atom 2024
Event — November 20, 2024
Project Atom 2024: Intra-War Deterrence in a Two-Peer Environment
Report by Heather Williams, Reja Younis, Lachlan MacKenzie, Christopher A. Ford, Rebecca Davis Gibbons, Ankit Panda, Melanie W. Sisson, and Gregory Weaver — November 18, 2024
PONI 2024 Fall Conference
Event — September 27, 2024
Six Days in October: Russia’s Dirty Bomb Signaling and the Return of Nuclear Crises
Brief by Lachlan MacKenzie — September 3, 2024
Why Did China and Russia Stage a Joint Bomber Exercise near Alaska?
Critical Questions by Heather Williams, Kari A. Bingen, and Lachlan MacKenzie — July 30, 2024
Why Did China and Russia Stage a Joint Bomber Exercise near Alaska?
Podcast Episode by Heather Williams, Kari A. Bingen, and Lachlan MacKenzie — July 30, 2024

Charting 2024 through Data
Digital Report by Jaehyun Han, Brian Hart, and Heather Williams, Kelsey Hartigan, Lachlan MacKenzie, Reja Younis, Otto Svendsen, Sissy Martinez, Zane Swanson, Anita Kirschenbaum, David Michel, Henry Ziemer, Michaela Simoneau — March 19, 2024
Russian Nuclear Calibration in the War in Ukraine
Brief by Heather Williams, Kelsey Hartigan, Lachlan MacKenzie, and Reja Younis — February 23, 2024