Timothy Snyder @timothysnyder.bsky.social Temerty Professor of Modern European History, Munk School, University of Toronto; Permanent Fellow, IWM Vienna; Emeritus Levin Professor, Yale. Author of "On Freedom," "On Tyranny," "Our Malady," "Road to Unfreedom," "Black Earth," and "Bloodlands"
Kori Schake @kschake.bsky.social Leads AEI’s foreign and defense team, author of The State and the Soldier, contributing writer at The Atlantic. 2025-2026 Kissinger Chair at the Library of Congress. Californian. https://www.aei.org/profile/kori-schake/
Scott Gottlieb, MD @scottgottliebmd.bsky.social Senior Fellow at the American Enterprise Institute. Partner, New Enterprise Associates. Contributor CNBC. 23rd Commissioner of the U.S. FDA. Boards: Pfizer, Illumina, TempusAI, United Health
War on the Rocks @warontherocks.bsky.social Experience. Conflict. Commentary.
Join our community: https://warontherocks.com/membership/
Catherine Rampell @crampell.bsky.social Economics editor at The Bulwark. MS NOW (formerly MSNBC) anchor.
Previously WaPo op-ed columnist and NYT reporter.
Econ, politics, immigration, tax, etc. + occasional theater nerdery.
Crisis Group @crisisgroup.org We're an independent, non-profit, non-governmental organisation, committed to preventing and resolving deadly conflict.
Lawrence Freedman @ldfreedman.bsky.social Emeritus Professor of War Studies King's College London. Latest Book Strategists and Strategy: collected essays, 2014-2024. Substack Comment is Freed https://samf.substack.com/
Jacob Stokes @jacobstokes.bsky.social Senior Fellow & Deputy Director, Indo-Pacific Security Program, Center for a New American Security (CNAS).
Previously White House & U.S. Congress. China, East Asian security, US foreign policy. Views mine.
@irgetsreal.bsky.social @irgetsreal.bsky.social Professor of International Relations, Georgetown. Former DoD and Senate staff. Foreign policy, political science, case study methods, environment, snark.
Greg Winger @ghwinger.bsky.social International relations professor at UMBC, Fulbright scholar, sarcastic hockey fan, and fighting the urge to be D.B. Cooper one day at a time
Jeffrey Davis @davisprof.bsky.social Professor of human rights and comparative justice at UMBC.
Yaroslav Trofimov @yarotrof.bsky.social Chief Foreign-Affairs Correspondent, The Wall Street Journal. 📕Author of No Country for Love, Our Enemies Will Vanish, Siege of Mecca and Faith at War 📕 Yarotrof.com
National Security Archive @nsarchive.bsky.social An independent research institution that advocates for open government and uses FOIA to collect and publish declassified documents - https://nsarchive.gwu.edu - instagram.com/natsecarchive - tiktok.com/@natsecarchive
The TLS @thetls.bsky.social The Times Literary Supplement. Subscribe here: https://www.the-tls.co.uk/buy
Capitol Hill Books @capitolhillbooks.bsky.social New, used, and rare books in D.C.
Totally not judging your purchases (to your face).
https://www.capitolhillbooks-dc.com/
Sergey Radchenko @radchenko.bsky.social Historian of the Cold War and after. Wilson E. Schmidt Distinguished Professor, Henry A. Kissinger Center for Global Affairs, Johns Hopkins School for Advanced International Studies. The author of “To Run the World.”
Good Authority @goodauth.bsky.social Good Authority's mission is to bring insights from political science to a broader audience. https://goodauthority.org
Scientific American @sciam.bsky.social A legacy of discovery. A future of innovation.
Thomas Hegghammer @hegghammer.net Senior Fellow in Politics at All Souls College, Oxford. Interested in jihadism, Middle East history, and digital methods. Linux enthusiast and nature-lover
UMBC AI @umbc-ai.bsky.social UMBC's Center for Artificial Intelligence represents over 60 faculty & 30 research labs at the University of Maryland, Baltimore County. Follow us for announcements of events, online research talks, new papers, awards, and more. ai.umbc.edu #aiedu #ai
UMBC Cybersecurity Institute @umbc-uci.bsky.social UMBC's Cybersecurity Institute provides academic & research leadership, partnership, innovation & public outreach in cybersecurity, including the social, behavioral, operational, & economic elements. http://cybersecurity.umbc.edu #cyber
University of Sydney (USYD) @sydney.edu.au Research, campus life and all things #USYD!
Leadership for good.
CRICOS: 00026A
TEQSA: PRV12057
UC Berkeley Center for Long-Term Cybersecurity @cltcberkeley.bsky.social Helping society anticipate and address tomorrow's information security challenges, in order to amplify and extend the upside of the digital revolution.
Nuclear Threat Initiative @nti.org A nonprofit, nonpartisan global security organization focused on reducing nuclear, biological, and emerging tech threats imperiling humanity.
Carnegie Endowment @carnegieendowment.org The Global Think Tank.
carnegieendowment.org
CSIS Project on Nuclear Issues @poni.csis.org @csis.org’s Project on Nuclear Issues (PONI) hopes to sustain a community of next generation nuclear experts & generate new ideas & debate on nuclear issues. Repost ≠ Endorsement
CSIS | Center for Strategic & International Studies @csis.org A bipartisan research institution, CSIS is recognized as the top defense and national security think tank in the world.
https://www.csis.org 
Zachary Keck @zacharykeck.bsky.social Nuclear Weapons and Indo-Pacific. Former: DoD, Congress, Belfer Center, The Diplomat, others. Views mine and subject to change.
The New Yorker @newyorker.com Unparalleled reporting and commentary on politics and culture, plus humor and cartoons, fiction and poetry. Get our Daily newsletter: http://nyer.cm/gtI6pVM
Follow The New Yorker’s writers and contributors: https://go.bsky.app/Gh5bFwS
WIRED @wired.com For Future Reference.
Sign up for our newsletters: https://wrd.cm/newsletters
Find our WIRED journalists here: https://go.bsky.app/Boj9b5E
Lily Hay Newman @lhn.bsky.social Security reporter for WIRED Magazine. she/her/my man. Signal +1 (347) 722-1347
Axios @axios.com Smart Brevity worthy of people's time, attention and trust.
Subscribe to our newsletters: https://trib.al/8haeaPt
Paul McGarr @paulmcgarr.bsky.social Intelligence History | Published first book on Cold War South Asia, published another on Spying in India, writing a third on Indira Gandhi & Margaret Thatcher
Jennifer Nuzzo, DrPH, SM @jennifernuzzo.bsky.social Epidemiology and global health security policy.
thepandemiccenter.org
Heterodox Academy @heterodoxacademy.bsky.social Nonpartisan nonprofit dedicated to protecting open inquiry in higher education. Work in higher ed? Become a member: https://heterodoxacademy.org/become-a-member/
Amy Zegart @amyzegart.bsky.social Stanford professor and Hoover senior fellow. Co-chair of Stanford Emerging Tech Review. I study U.S. intelligence, emerging tech, and geopolitical risk. Latest book: Spies, Lies, & Algorithms. Views are my own.
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
Caitlin Talmadge @proftalmadge.bsky.social MIT professor, Brookings senior fellow, series editor at Cornell Press ⎮ Foreign policy, military operations, civil-military relations, nuclear weapons, authoritarianism ⎮ Views are my own ⎮ Book: The Dictator's Army
https://www.caitlintalmadge.com/
Suzanne Maloney @suzannemaloney.bsky.social VP & Director of Foreign Policy, The Brookings Institution
Adam P. Liff @adampliff.bsky.social Professor and Founding Director of 21JPSI @ Indiana University Hamilton Lugar School; Non-Resident Senior Fellow @ Brookings Institution; Japanese politics and foreign policy, East Asia security; Princeton Ph.D; Adampliff.com (photo: James Madison, 1822)
Angie Rasmussen @angierasmussen.bsky.social Virologist. PI working at but not speaking for USask. Co-EiC of Vaccine. 🇺🇸 in 🇨🇦. Emerging viruses, pathogenesis, zoonosis, host responses, dogs, football, off-color language, transcriptomic chaos. Opinions my own.
Defense Priorities @defpriorities.bsky.social The hub of realism and restraint in Washington.
The Center for a New American Security @cnas.bsky.social The Center for a New American Security develops strong, pragmatic, and principled national security and defense policies. Join us: cnas.org/join.
Jerry Carino @jerrycarino.bsky.social Reporter, journalism professor, New Jerseyan for life- T Paris Review @theparisreivew.bsky.social We don't just review Paris
9DASHLINE @9dashline.com Independent and non-partisan.
Indo-Pacific | Security | Cyber | Geopolitics | Climate | Diplomacy | People | Culture | IR |
www.9dashline.com
University of Austin (UATX) @uaustinorg.bsky.social A university dedicated to the fearless pursuit of truth. Uatx.substack.com
Mayo Clinic @mayoclinic.org Mayo Clinic is an integrated medical practice, education and research institute. https://linkin.bio/mayoclinic
Mayo Clinic Comprehensive Cancer Center @mayocliniccancer.bsky.social 
Saskia Popescu @saskiapopescu.bsky.social Infectious disease epidemiologist & global heath security strategist | GHSN CEO |UMB Asst Prof working in pandemic prep, biosurveillance, One Health, AMR, BW & biosecurity. ELBI & CFR ☣️
Biopreparedness & biothreat guru - movie aficionado. Views=my own
Elizabeth Threlkeld @ethrelkeld.bsky.social Senior Fellow and Director of the Stimson Center's South Asia Program
Bill Kristol @billkristolbulwark.bsky.social Editor at large, The Bulwark.
Director, Defending Democracy Together.
Host, Conversations with Bill Kristol.
Never Trump.
Security Studies Program MIT @ssp-mit.bsky.social The Security Studies Program at MIT is a graduate-level research and educational program based at the Center for International Studies at MIT. 
OSINTtechnical @osinttechnical.bsky.social PAI enjoyer, OSINT guy @truth.bsky.social , my views/freezing cold takes are my own. Standard spiel about not endorsing retweets, likes, and comments.
Islamabad @islamabadi.bsky.social Resident of Federal Capital Islamabad since 1969
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
SIPRI.bsky.social @sipri.org SIPRI is an independent international institute dedicated to research into conflict, armaments, arms control and disarmament.
Website🔗: https://www.sipri.org/
Subscribe🔔: http://bit.ly/SIPRIsubscribe
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
UT MD Anderson Cancer Center @mdanderson.bsky.social The University of Texas MD Anderson Cancer Center’s mission is to #EndCancer through patient care, research, education and prevention. Appointments available: 1-877-632-6789
Dhruva Jaishankar @dhruvajaishankar.bsky.social Executive Director, ORF America, Washington DC | Read my book, explaining India and the World: https://www.amazon.com/Vishwa-Shastra-India-Dhruva-Jaishankar/dp/0670091057
NJ.com @nj.com New Jersey's source for local news and information. 💻 Our journalism needs your support: http://subscribe.nj.com ✉️ Send us your news tips: http://nj.com/tips
Hurst Publishers @hurstpublishers.bsky.social We publish books on current affairs, history, conflict and religion in Asia, Africa, Europe and the Middle East. And much else besides.
38 North @38north.org Informed analysis of events in and around the DPRK. A publication of the Stimson Center. Innovative Ideas Changing the World.
Jane Vaynman @janevaynman.bsky.social Assistant Professor of Strategic Studies at Johns Hopkins SAIS. I study arms control, nuclear weapons, international institutions, and emerging technology.
Sadanand Dhume @dhume.bsky.social AEI senior fellow. WSJ columnist. 
Colleen Larkin @colleen-larkin.bsky.social Postdoc at IGCC. Columbia PhD. Wellesley alum. Narratives, nuclear weapons, foreign policy. She/her 💫🏳️🌈
William Blake @wblake.bsky.social Dad, associate professor of political science @umbc.edu, Orioles fan. I believe there oughta be a constitutional amendment outlawing Astroturf and the designated hitter. https://www.WilliamDBlake.com
NOAA Climate.gov @climate.noaa.gov Toward a Climate-Smart Nation. The official NOAA account for Climate.gov hosted by the Climate Program Office. Follow for #climate news, #science, #data, resources, and more!
Karim Sadjadpour @ksadjadpour.bsky.social 
Sara Bjerg Moller @sbm33.bsky.social International security scholar working on alliances and military adaption. Core faculty Georgetown SSP & NonRes Snr Fellow Scowcroft Center Atlantic Council
Craig Spencer MD MPH @craigspencer.bsky.social ER Doctor | Ebola Survivor | Public Health & Humanitarian Response | Historical Determinants of Public Health at Brown School of Public Health | Member Council on Foreign Relations | Emmy Award Winner 🏆
Center for Cybersecurity Policy and Law @cyberseccenter.bsky.social Since 2017, CCPL has combined policy expertise with convening power to bring industry leaders & policymakers together to better manage security threats.
https://www.centerforcybersecuritypolicy.org/
Women In Cybersecurity Community Association @womenofwicca.bsky.social 👩💻 Talks and drinks among ladies to discuss all things InfoSec 🔑🇳🇱
womenofwicca.nl #WICCA_NL
Conference with an all-women speaker line-up designed to highlight women’s technical achievements in the cybersecurity field. -> wiccon.nl
Dmitri Alperovitch @dmitri.silverado.org Geopolitics, Russia, China, Cyber
Chairman @silverado.org
Author of WorldOnTheBrink.com
Host GeopoliticsDecanted.com podcast
Founder Alperovitch Institute for Cybersecurity Studies at Johns Hopkins SAIS
Co-Founder CrowdStrike
@DAlperovitch elsewhere
Jan-Werner Mueller @jwmueller-pu.bsky.social Political Theory and Intellectual History. Politics of Architecture and Iconography. Some Public Affairs Commentary.
Posting in a personal capacity.
Texts mostly in LRB, Guardian, Foreign Policy, Architectural Review.
Representation: Wylie.
Steve Metz @stevemetz.bsky.social Writing on national security policy and strategy. Working on a book about the future of insurgency. An unknown unknown. A plumber's son from Elk Hills WV.
James Cameron @jjjcameron.bsky.social Professor of Modern North American History at the University of Oslo, Norway. Nuclear strategy and arms control.
Nicole Grajewski @nicolegrajewski.bsky.social Assistant Professor at Sciences Po CERI | Associate with Harvard’s Managing the Atom | working on nuclear issues involving Russia and Iran | author of Russia and Iran: Partners in Defiance from Syria to Ukraine (OUP/Hurst)
Dan Altman @daltmanir.bsky.social Associate Professor of Political Science at Georgia State University. Conquest, faits accomplis, deterrence, coercion failure, causes of war. Website: dan-altman.weebly.com
Bill Emmott @billemmott.bsky.social Writer, former ed-in-chief of The Economist, author “Deterrence, Diplomacy and the Risk of Conflict over Taiwan” (IISS 2024), addict of all things Japanese, Italian and geopolitical
Mansoor Ahmed @mansoorahmed.bsky.social Hon. Lecturer SDSC, Australian National University | IR, nuclear weapons, fissile materials, South Asia, conventional deterrence | Formerly CISS Islamabad, Harvard’s Belfer Center, QAU | Author Pakistan’s Pathway to the Bomb | Views personal
Mileah Kromer @mileahkromer.bsky.social Director, UMBC Institute of Politics. #MDpolitics vibe checker. #UMBCpoll. Popular, I know about popular. #Baltimore now, Western PA forever. RT,F&L≠E.
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)
Megan Ranney MD MPH @meganranney.bsky.social Emergency physician & Dean of the Yale School of Public Health. Gun violence prevention researcher. Incorrigible optimist (because we can and do create change, together). Mom of two teens. GO BILLS. @meganranney at the other place 🛟🩺📉📈🧪
Edward Luce @edwardluce.bsky.social FT's US columnist/commentator. Author of several books including NYT best selling biography of Zbigniew Brzezinski (Simon & Schuster 2025). People lacking a sense of humour might get muted.
Tong Zhao @tongzhao.bsky.social Senior fellow @carnegieendow.bsky.social
Nuclear, arms control, nonproliferation, new mil tech, Asia-Pacific security, US-China.
Views my own.
https://carnegieendowment.org/people/tong-zhao?lang=en
RUSI @rusi.bsky.social Royal United Services Institute for Defence and Security Studies. Founded in 1831, RUSI is the oldest defence and security think tank in the world.
Website 💻: https://rusi.org/
WhatsApp 📱: https://bit.ly/4h0M5FQ
Kingston Reif @kingstonareif.bsky.social Senior International/Defense researcher at the RAND Corporation. Former DASD for Threat Reduction and Arms Control + Arms Control Association. Wisconsin sports fanatic. Personal account.
Rob Rakove @robrakove.bsky.social Historian at Stanford University, author of "Kennedy, Johnson, and the Nonaligned World" and "Days of Opportunity: The United States and Afghanistan Before the Soviet Invasion." It's good to have options.
Ashish K Jha @ashishkjha.bsky.social Physician, Researcher, Advocate for the notion that an ounce of evidence is worth a pound of opinion.
I rarely post here. Follow me on that hell site Twitter @ashishkjha
My views are solely my own (who else would want them??)
Dr. Tom Frieden @drtomfrieden.bsky.social President and CEO of Resolve to Save Lives. Former CDC Director and New York City health commissioner. Focused on partnering with communities around the world to save lives.
JSTOR @jstor.bsky.social JSTOR provides access to more than 12 million journal articles, books, images, and primary sources in 75 disciplines. Part of the ITHAKA nonprofit family.
More about us: https://about.jstor.org/
JSTOR Daily @jstordaily.bsky.social Providing insights to past and current events based on scholarly research at JSTOR. Subscribe free: http://daily.jstor.org/newsletter
The Standard ASL @thestandardasl.bsky.social Student-run HS newspaper. Opinions expressed on this account do not reflect views of or constitute official communication from the American School in London.
Michael Kofman @michaelkofman.bsky.social Senior Fellow, Carnegie Endowment. Defense analysis with a focus on the Russian and Ukrainian militaries.
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.
Bellingcat @bellingcat.com Bellingcat is a global collective uncovering facts to hold power to account. Our work is independent. Our methods are public. Our community is global.
Want to support our charity? bellingcat.com/donate
Pavel Podvig @russianforces.org Russian nuclear forces, nuclear arms control, disarmament, verification. Strictly personal views here.
All coordinates are at http://russianforces.org/podvig
Matt Korda @mattkorda.bsky.social I count nukes for the Federation of American Scientists + the Stockholm International Peace Research Institute. 🇨🇦 Views my own.
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/