Watermelon Man
I am a superhero whose superpower is knowing when someone is saying something stupid and ideologically blinded.
I am rationalist adjacent. If that upsets you...ya might be stupid.
My superhero persona has nothing to do with international relations.
@andymasley.bsky.social
When the going gets weird the weird turn pro. Director of EA DC linktr.ee/andymasley
@mattsclancy.bsky.social
Runs Open Philanthropy’s Innovation Policy program. Creator of newthingsunderthesun.com, a living literature review about innovation. Website: mattsclancy.com.
@hannahritchie.bsky.social
Deputy Editor, Our World in Data Senior Researcher, University of Oxford Climate, energy, environment, all things data.
@lgilbert.co
researcher, writer, projects georg. currently: horizon scanning @ renaissance philanthropy; writer, laurenpolicy.com. formerly: open phil, qi, ucsd, caltech, etc.
@franceslorenz.bsky.social
Claude says I process my emotions externally. I am interested in events, effective altruism, and gabbing with the girlies (all-inclusive). I also work on the EA Global team @ CEA.
@panickssery.bsky.social
Effective Altruism | Spaced Repetition | Quoting Old Books | PELTIV Score of 190 (+6σ) | http://arjunpanickssery.substack.com
@tomchivers.bsky.social
"Far too nice to be a journalist," per Terry Pratchett. Lead writer on Semafor's Flagship newsletter. DMs open; chiversthomas(a)gmail. Latest book, Everything is Predictable: geni.us/EIPBook Podcast, The Studies Show: https://www.thestudiesshowpod.com
@birchlse.bsky.social
Professor, LSE. Philosophy of science, animal consciousness, animal ethics. Director of The Jeremy Coller Centre for Animal Sentience.
@poli.sisti.ca
Posts on public policy (in 🇨🇦 or abroad), humanities, classical music, altruism effective and ineffective. Many silly posts. Toronto-adjacent.
@astralcodexten.com.web.brid.gy
P(A|B) = [P(A)*P(B|A)]/P(B), all the rest is commentary. Click to read Astral Codex Ten, by Scott Alexander, a […] [bridged from astralcodexten.com on the web: https://fed.brid.gy/web/astralcodexten.com ]
@alexlizhill.com
Former logician. Aspiring health economist. Research fellow @lshtm-gheco.bsky.social. Thinking about philosophy, public health, econ, stats, feminism, & lots of other things! https://alexlizhill.com
@rosiecampbell.xyz
Forever expanding my nerd/bimbo Pareto frontier. Ex-OpenAI, AGI safety and governance, fellow @rootsofprogress.
@carlrobi.bsky.social
Program Officer on nuclear policy at Longview Philanthropy (http://longview.org). Opinions are my own.
@michaeldplant.bsky.social
Moral philosopher and happiness nerd. Founder and Director, Happier Lives Institute. Postdoctoral Fellow, Oxford Unviersity. All views yours, weirdly.
@benleoecon.bsky.social
Postdoc University of Exeter | Experimental & Behavioural Econ | Interested in Altruism, Cooperation, and Morality | PhD from Monash University | Clinical Assistant Professor at Purdue University (Fall, 2025) https://sites.google.com/view/bengrodeck
@timhua.bsky.social
Helping people is good I guess Trying to do AI interp and control Used to do economics timhua.me
@bellaforristal.bsky.social
I was so close to 1k Twitter followers but here we are ¯\_(ツ)_/¯ Effective altruism, veganism, various weakly-held takes on things | she/her | https://admonymous.co/bellaforristal
@mordaroso.bsky.social
Director of Tech at Giving What We Can and Software Engineer at Giving Multiplier
@80000hours.bsky.social
You have 80,000 hours in your career. This makes it your best opportunity to have a positive impact on the world. https://80000hours.org
@arthurwright.bsky.social
Dilettante interested in econ, animal liberation, progress, philosophy, Buddhism // EA-adjacent (Head of Community @ Effective Altruism DC) // Views my own, etc
@deenamousa.com
Global health & development at Open Philanthropy https://newsletter.deenamousa.com/
@thetetra.space
@ryancbriggs.net
Raising kids & bread & grant money. Cleaning data & diapers & fish. EA (bed nets, not light cone). Social scientist. typos. twitter.com/ryancbriggs
@davidpearce.bsky.social
Let’s use biotech to engineer paradise: hedweb.com https://x.com/webmasterdave https://www.bltc.com/bltc-websites.html https://www.facebook.com/groups/hedonistic.imperative/
@scientificdiscovery.dev
Science writer and chart maker. Researcher at Our World in Data. Co-founder of Works in Progress. Newsletter: https://scientificdiscovery.dev https://twitter.com/salonium 🏳️🌈
@shakeelhashim.com
Writing about AI policy at Transformer. Supporting AI journalism with grants at Tarbell. Prev: AI safety and EA comms; journalist at The Economist, Protocol, Finimize. London. https://transformernews.ai
@kareninkenya.bsky.social
Founding Partner, Fit for Purpose. Proud Nairobian; mtoto wa pwani. Evidence seeker, social entrepreneur, up-scaler, worm slayer. Brown, LSE, YCombinator.
@noemidreksler.bsky.social
Research Fellow at the Centre for the Governance of AI | Public and expert opinion of AI | AI Governance survey research
@1daysooner.bsky.social
1Day Sooner leads campaigns in science, policy, and bioethics to stop the world’s most harmful infectious diseases. We advocate for volunteers who participate in high-impact medical studies, including human challenge studies. www.1daysooner.org
@opsimath.bsky.social
An Effective Altruist in grad school who's interested in catastrophic risk reduction and the welfare of non-human animals.
@vidurkapur.bsky.social
Superforecaster at Good Judgment. Also forecasting at Swift Centre, Samotsvety, RAND and a hedge fund. Impartial beneficence enthusiast.
@rychappell.bsky.social
Philosophy prof. Posts better stuff at www.goodthoughts.blog 🔸10% Pledge #54 with @GivingWhatWeCan
@jacobpeacock.bsky.social
Research Advisor at Stanford focused on improving animal welfare. Quantitative social scientist & ex-computational biologist. Open science and anti-speciesism. Views mine.
@harrylaw.bsky.social
Thinking about thinking machines | University of Cambridge, Leverhulme Centre for the Future of Intelligence | Previously Google DeepMind
@christopher-webster.com
I do infosec and IT work for Open Phil. Trying to get better at lifting weights, making cocktails, and Magic: The Gathering. Blog at christopher-webster.com ✌️
@thezvi.bsky.social
Blog at thezvi.substack.com, this is a pure backup, same handle on Twitter.
@michaelwiebe.bsky.social
Economics (UBC), yimby, replication, effective altruism, data science.