Fellow with Carnegie’s Nuclear Policy Program and Associate with Harvard’s Managing the Atom | PhD from Oxford | working on nuclear issues involving Russia and Iran | author of Russia and Iran: Partners in Defiance from Syria to Ukraine (OUP/Hurst)

Research Associate at CNS | MIIS NPTS '24 | RTs/views my own etc. Also @sam_lair on Twitter

Retired nuclear scientist. Worked in Estonia, Kazakhstan, and Los Alamos. Posting on nuclear issues, war, nature, science, and women's issues. Also cats. She/her. Blogs at Nuclear Diner and Lawyers, Guns & Money Banner: The invincible summer within

PRC and DPRK strategic forces analyst with CNA. BA Reed College, MA Middlebury Institute. NSF GRFP.

Judt-Stancilst Rortarian. Taxation grants citizenship.

Nuclear weapons, missiles, and “”emerging”” technology. Doctoral Research Fellow, Oslo Nuclear Project, University of Oslo LearnWMD Spreadsheet: https://learnwmd.wixsite.com/learnwmd/the-spreadsheet

Research scholar @ Berkeley Risk and Security Lab || Carnegie Non-Resident ||socio-technical analyses for nuclear, quantum, and “emerging” tech || PhD from UMD

Programme Director at the One Earth Future Foundation, formerly with UNIDIR, European Leadership Network, and VERTIC.

Deputy VP at Nuclear Threat Initiative. Previously Director for Counterproliferation at the National Security Council and Deputy National Intelligence Officer for WMD at the National Intelligence Council. Personal account/views my own.

President/CEO @fpri.bsky.social; Podcast w/ blogfather @armscontrolwonk.bsky.social; Recent Substacker; Author: US War Against ISIS. Views are all my own

Emeritus Professor of War Studies King's College London. Latest Book Command: The Politics of Military Operations from Korea to Ukraine. Substack Comment is Freed https://samf.substack.com/

Nuclear nerd and lover of baseball. Owner of the cutest dog in the world.

Defence Editor at The Economist. Visiting Fellow at Department of War Studies, KCL. For speaking engagements: https://chartwellspeakers.com/speaker/shashank-joshi

Director, East Asia, Global Security Program, Union of Concerned Scientists. Non-Resident Fellow, Research Center for the Abolition of Nuclear Weapons at Nagasaki University. Cross-cultural sojourner.

War, robots, & bad futures but imagining better. I edit @cipolicy.bsky.social's International Policy Journal, opinions my own. Unitarian Universalist. He/him. Husband to @alymay.bsky.social & father of 2. Front takes towards enemies.

Historian of science, technology, secrecy, nuclear weapons. Professor. Creator of NUKEMAP. Author of RESTRICTED DATA (2021) and THE MOST AWFUL RESPONSIBILITY (late 2025). Making a post-apocalyptic video game. Blogging at https://doomsdaymachines.net

Researcher of nuclear, Ukraine, and nuclear Ukraine. Author of Inheriting the Bomb. Harvard Belfer Center, Wilson Center Global Europe Program, Brookings nonresident, NAS CISAC, ACONA.

I'm an editor/correspondent for NPR. Mostly smart on the radio. Mostly stupid on everywhere else. ChatGPT describes me as: "Aerospace Sleuth, Nuclear Nerd, and NPR Superfan — with a Side of Surreal Humor." Signal: https://signal.me/#eu/PoRoBSPUsb1fVLiml

Analyst at NK News / NK Pro, investigations and analysis about North Korea and satellite imagery, state media, military, Kim family developments etc. https://www.nknews.org/content_author/colin-zwirko