Eliot Higgins @eliothiggins.bsky.social Founder and creative director of Bellingcat and director of Bellingcat Productions BV. Author of We Are Bellingcat.
Adrienne LaFrance @adriennelaf.bsky.social Human, executive editor of The Atlantic
Martin Kleppmann @martin.kleppmann.com Associate Professor at @cst.cam.ac.uk, researching decentralised systems and security protocols. Advisor to the Bluesky team. Wrote “Designing Data-Intensive Applications” (O’Reilly). he/him
Cheryl Rofer @cherylrofer.bsky.social Retired nuclear scientist. Worked in Estonia, Kazakhstan, and Los Alamos on environmental cleanup, nuclear nonproliferation, and the nuclear fuel cycle.
She/her.
Blogs at Nuclear Diner and Lawyers, Guns & Money
Photo: Semipalatinsk Nuclear Test Site
Pavel Podvig @russianforces.org Russian nuclear forces, nuclear arms control, disarmament, verification. Strictly personal views here.
All coordinates are at http://russianforces.org/podvig
Hans Kristensen @nukestrat.bsky.social Director, Nuclear Information Project, Federation of American Scientists. Tracking nuclear arsenals, co-author of Nuclear Notebook, SIPRI Yearbook. Opinions my own.
Website: https://fas.org/initiative/nuclear-information-project/
Alex Wellerstein @wellerstein.bsky.social Nuclear historian. Professor at Stevens Institute of Technology. Visiting researcher at Nuclear Knowledges program, Sciences Po (Paris). Author of THE MOST AWFUL RESPONSIBILITY (2025). Creator of NUKEMAP. Blogging at https://doomsdaymachines.net.
🇵🇸Martin “Doomsday” Pfeiffer🖖🏳️🌈 @nuclearanthro.bsky.social Anthro PhD Candidate.
nukes, cats, semiotics, FOIA, existential threats, heritage, nationalism, secrecy, etc.
QUEER
RT/Fave/etc ≠agree
he/him
http://patreon.com/nuclearanthro
http://paypal.me/nuclearanthro
https://osf.io/46sfd/
Jeffrey Lewis @armscontrolwonk.bsky.social William J. Perry Lecturer at Stanford CISAC & Distinguished Research Fellow FPRI. Member of the Bulletin of Atomic Scientists Science and Security Board & National Academies Committee on Int’l Security and Arms Control.
Dave Schmerler @schmerler.bsky.social 
Dmitry Stefanovich @dvsteff.bsky.social Nukes, missiles, military, space, tech, music, cats, #STRATDELA and #HYPERHYPE 
Matt Korda @mattkorda.bsky.social I count nukes for the Federation of American Scientists + the Stockholm International Peace Research Institute. 🇨🇦 Views my own.
Scott LaFoy @wslafoy.bsky.social Open Source Analysis of ballistic missiles, nuclear weapons, BMD, DPRK, & PRC.
Vice President of Nuclear and Technology Security Programs, Exiger.
Making podcasts over at https://www.armscontrolwonk.com/
All opinions my own.
Aaron Stein @aaronstein1.bsky.social President/CEO @fpri.bsky.social; Podcast w/ blogfather @armscontrolwonk.bsky.social; Recent Substacker; Author: US War Against ISIS. Views are all my own
Decker Eveleth @dexeve.bsky.social PRC and DPRK strategic forces analyst with CNA. BA Reed College, MA Middlebury Institute. NSF GRFP. 
Jamie Withorne @jamiewithorne.bsky.social Nuclear weapons, international politics, and “”emerging”” technology.
Doctoral Research Fellow in Political Science, University of Oslo
LearnWMD Spreadsheet and Substack: www.jamiewithorne.com
Frank O'Donnell @frank11285.bsky.social Research Program Head, @apln.network
Adjunct Fellow, @eastwestcenter.bsky.social
Opinions my own, reposts ≠ endorsement.
https://www.linkedin.com/in/frank-o-donnell-b84675158
James Schmeling @jschmeling.bsky.social Founder, Arsenal Industrial Restoration Partners. Restoring capacity. Rebuilding Readiness. Matching/restoring facilities with defense and commercial manufacturers. USAF veteran (AFTAC). President & CEO, National Defense University Foundation.
Adam Mount @handle.invalid Deterrence, nuclear strategy, progressive foreign policy.
Fmr. FAS, CAP, CFR, Ph.D. Government, Georgetown.
Bio: ajmount.com.
Banners: @UAHIRISE.
Laura Grego @lauraegrego.bsky.social Senior scientist & research director, Global Security Program, ucsusa.org. Space, missile defense, nuclear weapons. 
Alex Bollfrass @bollfrass.bsky.social Nuclear weapons and intelligence history.
Stephen Young @atomicwonk.bsky.social Advocate for more sensible nuclear weapons policies, firm believer that we should not live in a world where hundreds of millions could be dead in an hour. Associate Director for Government Affairs, Global Security Program, Union of Concerned Scientists
Ankit Panda @nktpnd.bsky.social Stanton Senior Fellow, Carnegie Endowment for International Peace; Author of ‘THE NEW NUCLEAR AGE’ (Polity) & ‘KIM JONG UN AND THE BOMB’ (Hurst/Oxford)
Subscribe to my newsletter (Nukesletter): https://panda.substack.com/
Christopher Clary @claryc.bsky.social Assistant Professor of Political Science, University at Albany; Nonresident Fellow, Stimson Center- W woolaf @woolaf.bsky.social Nuclear nerd and lover of baseball. Owner of the cutest dog in the world.
Tom Z. Collina @tomcollina.bsky.social Senior Policy Advisor, Ploughshares Fund. Coauthor, THE BUTTON. Proud husband, father, dog-person.
Mackenzie Knight-Boyle @mknight.bsky.social Research and Project Manager @ Federation of American Scientists - Nuclear Information Project
Mother to a demonic chihuahua named Pippin 🐾
Views are my own
James Cameron @jjjcameron.bsky.social Professor of Modern North American History at the University of Oslo, Norway. Nuclear strategy and arms control.
@emmaclairefoley.bsky.social @emmaclairefoley.bsky.social 
Nick Kodama @nickkodama.bsky.social PhD candidate at Georgetown | Researching nukes, IR, Japan, East Asia | Also posting photos of my cat and food.
Mark Bell @marksbell.bsky.social Associate Professor of Political Science at the University of Minneota, mostly studying nuclear weapons, international security, and US foreign policy. Opinions mine. www.markbell.org 
Daniel Salisbury @dbsalisbury.bsky.social Senior Fellow for Nuclear Arms Control, Non-Proliferation and Disarmament at the International Institute for Strategic Studies (IISS).
Tom Bielefeld @tombielefeld.bsky.social Researcher/Consultant/Trainer #NuclearSecurity & #Nuclear #Nonproliferation; @INS_Forum; @WINS_org; formerly Harvard's @BelferCenter; Chronotype/B, from #Bremen (Contact via https://sites.google.com/site/tombielefeld/)
Chase @chalexthegreat.bsky.social Nuclear weapons policy wonk. Opinions my own.
SOMA
RTs≠endorsements. he/him/his
Dr. Tara Drozdenko @tdrozdenko.bsky.social Director, Global Security Program @Union of Concerned Scientists. Working to reduce the risk of nuclear war, address the injustice and harm done by nuclear weapons, and move us closer to a world free from nuclear weapons. Oxford Comma enthusiast.
Casillic @casillic.bsky.social Critical Infrastructure, High Consequence / High Integrity Systems, Space, Nuclear, Mathematics, Public Health, HPC
Council for a Livable World @livableworld.bsky.social Political action to reduce and eventually eliminate nuclear threats. We've helped elect 400 Members of Congress since 1962.
livableworld.org
Federation of American Scientists @scientistsorg.bsky.social Striving for a safer world since 1945
science policy | nuclear weapons | clean energy | STEM education | artificial intelligence | data privacy | much much more
Ben Loehrke @nonstrategic.bsky.social Program Officer for Nuclear Weapons at Stanley Center for Peace and Security
Ex-Twitter @nonstrategic
https://stanleycenter.org
Rivet Amber @rivetamber.bsky.social Math, Physics, Computer hardware & Nuclear weapons history.
Maaike @maaikeverbruggen.bsky.social non-practicing intellectual on war & tech
NL/EN
Dylan Spaulding @dkspaulding.bsky.social Senior Scientist, Union of Concerned Scientists, Global Security Program. Views are my own.
Blog: blog.ucsusa.org/author/dylan-spaulding/
Council on Strategic Risks @councilonstrategicrisks.org CSR is dedicated to anticipating, analyzing and addressing core systemic risks to modern security. We work on climate and ecological security, biological and nuclear security, and track emerging risks as new technologies disrupt across all domains.
Mariana Budjeryn @mbudjeryn.bsky.social Researcher of nuclear, Ukraine, and nuclear Ukraine. Author of Inheriting the Bomb. MIT Center for Nuclear Security Policy, Brookings and RUSI nonresident, NAS CISAC, ACONA.
Jon B. Wolfsthal @jonatomic.bsky.social Nuclear Fellow @ Pax Sapiens, former Bulletin of Atomic Scientists and State Department International Sec Advisory Board, CNAS Sr. Fellow, former National Security Council. No #manels, Yankees/Gunners.
Nuclear Threat Initiative @nti.org A nonprofit, nonpartisan global security organization focused on reducing nuclear, biological, and emerging tech threats imperiling humanity.
Rocky Flats Chimney Sweep 🇺🇸 @midlifesuezcrisis.bsky.social Materials science & nukes. Deterrence & what comes after.
Patriot, liberal firebrand, Catholic, last of the China hawks, Nitzean superman. Victory is possible.
Opinions my own / posts off the clock
Rekindling hearts in a world that grows chill.
Eliana Johns @elianajjohns.bsky.social PhD Student @ University of Maryland & Research Advisor with Nuclear Information Project @ Federation of American Scientists | Talks about nukes and satellite imagery (views are my own)
J. Luis Rodriguez @jluisrodriguez.com Assistant Professor at George Mason's Schar School of Policy and Government | Affiliate at Stanford CISAC | Adjunct non-resident fellow at CSIS PONI | PhD from Johns Hopkins | International security, international law, and Global South | 🇺🇸 🇲🇽 🏳️🌈
Jamie Kwong @jamiekwong.bsky.social Fellow at the Carnegie Endowment for International Peace | KCL PhD | Nukes and nonpro | RT≠endorsement
Arms Control Association @armscontrolnow.bsky.social 
Asia-Pacific Leadership Network @apln.network A network of political, military, diplomatic and thought leaders in the Asia-Pacific working to address security challenges and eliminate nuclear weapons risks.
Dr. Heather Williams @heatherwilly.bsky.social Director, Project on Nuclear Issues (PONI) and Sr Fellow, Defense and Security Department at CSIS
Associate Fellow, Project on Managing the Atom at Harvard Kennedy School
New Yorker by birth, Bostonian by choice
John Carl Baker @johncarlbaker.bsky.social foreign policy, international peace and security, nuclear weapons, antiquity
Words: Nation, Bulletin of the Atomic Scientists, NK News, US Institute of Peace, New Republic, elsewhere
seniores tollunt omnia
Bruno Tertrais @brunotertrais.bsky.social Deputy Director, Fondation pour la recherche stratégique.
Non-Resident Fellow, Institut Montaigne.
Geopolitics, strategy and stuff.
Personal account.
b.tertrais@frstrategie.org
Books: tinyurl.com/bdzbxnyx
Arnold Bogis @arnoldbogis.bsky.social Analyst, writer. Nuke/rad, health security, disaster preparedness. Worked here, there, everywhere. Cat dad. Views my own.
Alexander H. Montgomery @alexmontgomery.bsky.social Professor @reed.edu
Nonresident Senior Fellow @newamerica.org
IR/SNA/STS/WMD
alexmontgomery.com
http://tinyurl.com/oxhbpo
I'm not a donkey, I don't have a field.
Amy J. Nelson @amyjnelsonphd.bsky.social Foreign Policy & National Security
Nuclear and AI Futures
Senior Fellow, Future Security Program, New America
Adjunct Faculty, Georgetown University
Stephen Herzog @herzogsm.bsky.social Professor of the Practice, James Martin Center for Nonproliferation Studies | Associate, Harvard Project on Managing the Atom | nuclear arms control, nonproliferation, disarmament, technology
Rabia Akhtar @rabsaa.bsky.social Visiting Scholar, MTA, Belfer Center, HKS | Dean Social Sciences, University of Lahore, Director CSSPR https://csspr.uol.edu.pk/ PhD Security Studies, KSU | Author, The Blind Eye: US Nonprolif Policy towards 🇵🇰 Free e-book: https://csspr.uol.edu.pk/f2c
Pranay Vaddi @pranayrvaddi.bsky.social pers acct. fmr NSC46, State Dept. nukes, nonpro, arms control. Husband + suburban dad. All tweets/rt are my views alone.
https://strategicsimplicity.substack.com/
Ariel Edwards-Levy @aedwardslevy.bsky.social Polling editor at CNN, keeping (cross)tabs on public opinion and the news. I like puns.
sophie alpert @sophiebits.com you have the ability to understand things
principal engineer, react person, super gay, still masking
Katie Slivensky @kslivensky.bsky.social Encouraging others to get know science a little better. Kidlit author. Science educator. Rock collector. Stargazer. Nature photographer. Animal buddy. They/She. Repped by Ammi-Joan Paquette.
www.KatieSlivensky.com
daniel:// stenberg:// @bagder.mastodon.social.ap.brid.gy I write curl. I don't know anything.
🌉 bridged from ⁂ https://mastodon.social/@bagder, follow @ap.brid.gy to interact
Ted Underwood @tedunderwood.com Uses machine learning to study literary imagination, and vice-versa. Likely to share news about AI & computational social science / Sozialwissenschaft / 社会科学
Information Sciences and English, UIUC. Distant Horizons (Chicago, 2019). tedunderwood.com
Kwaze Kwaze @kwazekwaze.bsky.social Enjoys landscapes and logistics.
Candide is better as a musical.
dr. rich traditions, JD @helldude.bsky.social im rich traditions
Stephen Schwartz @atomicanalyst.bsky.social Editor/Co-author, “Atomic Audit: The Costs and Consequences of US Nuclear Weapons Since 1940” • Nonresident Senior Fellow, Bulletin of the Atomic Scientists • Nuclear weapons expert (history, policy, costs, accidents) and tracker of the nuclear “Football.”
François Diaz-Maurin @francoisdm.bsky.social Nuclear editor @thebulletin.org. Fmr MacArthur Found. & Marie S.-Curie fellow @stanfordcisac.bsky.social. Fmr engineer in US/French nuclear ind. 1st gen. Father x3. Cello. Synthbass. Kyokushin. Autism. | Tips: francois@thebulletin.org Signal: francoisdm.21
Bulletin of the Atomic Scientists @thebulletin.org The best thinking on existential threats since 1945. Nuclear risk, climate change, and disruptive technologies. We set the #DoomsdayClock. thebulletin.org
Andrew Pope @andrewpope.bsky.social I just like movies. Especially horror movies.
- whitlockandpope.com
- boxd.it/eSY9
Member: Horror Critics Group | Film Critics Association
Husband to @momoshaty.bsky.social
Ploughshares @ploughshares.bsky.social Building a future beyond nuclear fear. We aim to reduce and eventually eliminate #nuclearweapons & promote stability where they exist. 
Dylan Williams @dylanwilliams.bsky.social Vice President for Government Affairs at @CIPolicy.bsky.social. Former US Senate staffer. Lawyer. Cornell alum.
Bio: https://internationalpolicy.org/about/#dylan-williams
Center for International Policy @cipolicy.bsky.social Advancing a more peaceful, just & sustainable world by centering people & the planet in US foreign policy.
Home of International Policy Journal and UnDiplomatic Pod, The Iran Podcast and Black Diplomats.
Learn more at internationalpolicy.org
Jane Coaston @janecoaston.bsky.social Host of Crooked Media’s “What A Day.” Contributing writer at the New York Times. Previously: host of The Argument. Go Blue means Go the University of Michigan. 
Axios @axios.com Smart Brevity worthy of people's time, attention and trust.
Subscribe to our newsletters: https://trib.al/8haeaPt
Erin Biba @erinbiba.bsky.social She/Her
Freelance Science Journalist. Fact Checker.
NatGeo, BBC, SciAm, NBC News, PopSci, WIRED, and others.
Hire me to fact check your book.
I post about Jewish stuff, disability, Star Trek, and The Buffalo Bills.
Jersey girl.
John Sipher @johnsipher.bsky.social Former CIA clandestine service. Spycraft Entertainment, Atlantic Council, NAFO. Host of Mission implausible podcast. Friend of dogs everywhere. Jimothy welcome here!
Marc Polymeropoulos @mpolymer1.bsky.social Once upon a time worked at a 3 letter alphabet soup govt agency. TBI/PTS Survivor. MSNOW ntl security contributor. “Eyes On Geopolitics” pod. Leadership speaker. Obsessive RedSox fan. Heavy Metal aficionado. 🇺🇸🇬🇷
Craig Harrington @craigipedia.bsky.social Political and media researcher. Just trying to make the world safe for democracy. All views are my own.
Book learnin' –– OSU, GU, KCL
Jeffrey Ross-Ibarra @jrossibarra.bsky.social evolutionary genomics of maize and wild relatives. erstwhile ethnobotanist. purveyor of bad puns. dad. prof and HPC director at UC Davis. not actually a cool cow from 1994. rilab.ucdavis.edu. views, especially bad ones, mine only (he/him)
Andrew Facini @andrewfacini.com Senior Fellow, @councilonstrategicrisks.org working on nuclear weapons policy. Teaching and such at Harvard Extension. Views my own.
Nuke policy starter pack! https://go.bsky.app/8jiQV43
Katie Mummah @nuclearkatie.com Nuclear engineer. nuclear: reactors, history, waste, nonproliferation, space, humor. "Tells uranium's life story". Lives in New Mexico. UW-Madison, UIUC alum. Outdoors when I'm not working. Views mine alone, like/rt not endorsements. she/her
Berkeley Lab @berkeleylab.lbl.gov Official account of Lawrence Berkeley National Laboratory (LBNL), a U.S. Department of Energy national lab. newscenter.lbl.gov
Matt Negrin still host of Hardball on MSNBC @mattnegrin.bsky.social The Daily Show, Roy Wood Jr.'s 2023 White House Correspondents’ Dinner, Trevor Noah's 2022 White House Correspondents’ Dinner, Hardball on MSNBC
Mike Drucker @mikedrucker.bsky.social Emmy-nominated TV writer and comedian. My new book “Good Game, No Rematch” is out April 1st. Newsletter: https://tinyurl.com/ytjvhjsb Email: mikedruckerisdead @ gmail .com
Thomas Wouters @yhg1s.bsky.social Cat owner, Release Manager for Python 3.12 and 3.13, Meta employee, Python Steering Council member. (He/him or they/them.) Primarily on Mastodon: @Yhg1s@social.coop.
paris martineau @paris.nyc investigative journalist @consumerreports.org • tech podcastin’ @twit.tv • previously @ The Information & Wired • @parismartineau on the other site
send tips: paris@cr.org, or securely via Signal (267.797.8655) or Proton (tips@paris.nyc)
👩💻 paris.nyc
zeu @zeu.dev software engineer, developer educator @ twilio.com 🇵🇭🇺🇸🏳️🌈
http://zeu.dev - tangled.org/zeu.dev - http://github.com/zeucapua
stream: https://twitch.tv/zeu_dev - https://stream.place/zeu.dev
Burbsec West @west.burbsec.com Burbsec West is an informal meetup of Information Security enthusiasts, engineers, hackers, geeks, etc,.
Granite City Food & Brewery- 1828 Abriter Ct, Naperville, IL 60563
Every 3rd Thursday of the month until February 21, 2025
www.burbsec.com/west
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Joseph Menn @joemenn.bsky.social Washington Post alum covering hacking, disinformation and what’s left of privacy. Author of books on the Cult of the Dead Cow, organized criminal hacking, and Napster. Pulitzer co-finalist 2024. Signal joemenn.01
Yvonne Wingett Sanchez @yvonnewingett.bsky.social Staff writer, @theatlantic
Fan of mentors, Kinsey Millhone and the snooze button. DM for Signal.
Nick Harkaway @nickharkaway.com Author. Also husband, dad, clothing-repairer, dog-walker. Decreasingly rigorous on social media. Happy to receive simple work queries here; anything more involved contact Patrick Walsh @ PEW Literary in London or email me.
www.linktr.ee/harkaway
He/him
michael 🙅🏻♂️ goldsmith @mgoldsm.bsky.social what about us brain dead slobs? he/him
Adrienne Celt @celtadri.bsky.social Novelist, cartoonist, author of END OF THE WORLD HOUSE, INVITATION TO A BONFIRE, and THE DAUGHTERS
adriennecelt.com
loveamongthelampreys.com
Rebecca Traister @rtraister.bsky.social Journalist, New York Magazine; author, Good & Mad, All the Single Ladies. Maine, New York, Philadelphia. I am on a book leave till fall 2025. I do have a substack. 
Alexander Chee @alexanderchee.bsky.social Novelist and essayist, most recently author of How to Write an Autobiographical Novel. Professor of Creative Writing at Dartmouth College. He/him. alexanderchee.net