Josh Morrison @joshcmorrison
Founder of @1daysooner, @rikersdebate & @waitlistzero. 1daysooner.org Brooklyn Joined August 2021-
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I want to take a moment to note this: FDA Commish Marty Makary's move to make FDA rejection letters (known as complete response letters or CRLs) is a very good thing both for investors, who will be lied to less, and to drug developers, who will have a much better idea of what…
Cool paper on how 2019 OPO reforms saved lives by increasing organ procurement rates. Props to Greg Segal and @JennaArnold for their advocacy to help make this happen, and to @JohnArnoldFndtn for supporting these changes!
We and @aibm_org hosted an event yesterday about the evidence base and policy options of online sports betting and issued a call for new research. As states continue to legalize, it's important they understand the full ramifications. A thread of some of what I learned. 1/n🧵
Today we are announcing The Consciousness Foundation (CoFo.org), a public charity whose purpose is to advance the scientific understanding of consciousness and foster consciousness development, ie things like awakening, healing, and inner development. Why?
It’s far from the only contributing factor, but I don’t think the Netanyahu government gets enough blame — for all of the horrific things they’ve done in Gaza — for the recent rise in antisemitism around the world.
It’s far from the only contributing factor, but I don’t think the Netanyahu government gets enough blame — for all of the horrific things they’ve done in Gaza — for the recent rise in antisemitism around the world.
Awesome paper finding huge benefits from relaxing zoning constraints in NYC, even once you account for the big costs of redevelopment vrollet.github.io/files/city_str…
Contrary to popular belief, the current house map has a substantial pro-Republican bias - Trump won 52.3% of house seats with 50.7% of the vote did 1.5% better in the pivotal 218th seat than he did overall. claude.ai/public/artifac…
I love the CNPV idea in general but think it'd be better for priority areas and rules to be specified in advance. Otherwise the amount of discretion over CNPV decisions worth hundreds of millions of dollars could be a recipe for abuse
I love the CNPV idea in general but think it'd be better for priority areas and rules to be specified in advance. Otherwise the amount of discretion over CNPV decisions worth hundreds of millions of dollars could be a recipe for abuse
📣 Excited to share our real-world study of an LLM clinical copilot, a collab between @OpenAI and @PendaHealth. Across 39,849 live patient visits, clinicians with AI had a 16% relative reduction in diagnostic errors and a 13% reduction in treatment errors vs. those without. 🧵
Our letter to the editor on the End Kidney Deaths Act was published in @JAMA_current. Co-authored by Frederike Ambagtsheer, Dr. Arthur Matas, MD, and Elaine Perlman, we highlight the importance of compensating kidney donors to solve the kidney shortage.
Proud the team at Niskanen is still working on my random pet issues like organ donor policy. Institutional memory ftw. Kudos to Lawson, @JoshuaTMcCabe and co. for keeping us weird!
Proud the team at Niskanen is still working on my random pet issues like organ donor policy. Institutional memory ftw. Kudos to Lawson, @JoshuaTMcCabe and co. for keeping us weird! https://t.co/TurgcguFwZ
Very excited for this event! Consider attending if you're in DC
Very excited for this event! Consider attending if you're in DC
Reality check: Dems are way behind their 2006 & 2018 pace on the generic ballot at this point in the cycle. Ahead by only 2 pt vs. 7 pt in 2006/2018 cycles. Seat-by-seat analysis actually reveals more GOP pickup opportunities than Dems! Very much unlike 2006 & 2018 at this pt.
incredibly grateful to @SenatorCollins for her work on this
incredibly grateful to @SenatorCollins for her work on this

Stefan Schubert @StefanFSchubert
38K Followers 2K Following Effective Altruism and the Human Mind (with @LuciusCaviola) is available for free at: https://t.co/ozvdxlZiro
Nathan 🔎 @NathanpmYoung
24K Followers 3K Following Geopolitics, prediction markets. If you think I'm wrong, community note me. Capital case tweets are literal, others less. I like most people when I meet them.
Peter Wildeford🇺�... @peterwildeford
21K Followers 318 Following Globally ranked top 20 forecaster 🎯 Working at @IAPSai to shape AI for prosperity and human freedom.
Kelsey Piper @KelseyTuoc
47K Followers 943 Following We're not doomed, we just have a big to-do list.
David Manheim @davidmanheim
9K Followers 2K Following Lecturer @TechnionLive, founder @alter_org_il, emeritus @superforecaster, PhD @PardeeRAND Optimistic on AI, pessimistic on humanity managing the risks well.
Alexander Berger @albrgr
14K Followers 2K Following Enjoys a good applied micro paper. CEO of @open_phil. Views my own, tweets self-destruct every once in a while.
Nuño Sempere @NunoSempere
4K Followers 718 Following Researcher, forecaster, consigliere, programmer. Disagreement is a ladder, measure is unceasing. Now anticipating global catastrophes @XRiskFYI
Linch @LinchZhang
3K Followers 243 Following Founder and CEO, Open Asteroid Impact (https://t.co/UsO3MCTSOF). April 1st Launch! Also on substack: https://t.co/NkGEUNjdbu
Holly ⏸️ Elmore @ilex_ulmus
7K Followers 356 Following Dedicated to the protection and thriving of sentient beings. PhD in evo bio.🔸 Executive Director of @PauseAIUS. Opinions not necessarily those of the org.
Kat Woods ⏸️ 🔶 @Kat__Woods
8K Followers 951 Following AI could be the best or worst technology we ever invent. Let's make it go well. Co-founder of Nonlinear & CE. Coaching & career advice: https://t.co/mU7FRQFq5a
Spencer Greenberg �... @SpencrGreenberg
34K Followers 6K Following A mathematician/entrepreneur in social science. Tweets about psychology, society, rationality, tech, science, and philosophy. Founder of https://t.co/2YGraOwo77
Shakeel @ShakeelHashim
6K Followers 2K Following Editor @ Transformer. Prev: AI safety and EA comms, journalist @TheEconomist, @Protocol, @finimize
Max Alexander @absurdlymax
2K Followers 660 Following I do philosophy and a little math, also Effective Altruism. Every day things can get a bit better
Caleb Watney @calebwatney
21K Followers 977 Following co-founder @IFP // the US is the R&D lab for the world and we should act like it
Pradyumna @PradyuPrasad
10K Followers 2K Following Abundance mindset enjoyer Follow for tweets about: economic growth, AI progress, my side projects and more!
Tetraspace 💎🛬�... @TetraspaceWest
8K Followers 2K Following 🌈 you'll miss the rainbow if you run now 💎 from another world ☀️ sarenite and arodenite 🌵 still no hablo español
Isabella @isabella5460488
1K Followers 1K Following I can do all things through Christ who strengthens me – Philippians 4:13
Dan Wintermeyer 👨�... @danwintermeyer
1K Followers 2K Following CTO @ https://t.co/LTHlwpGuzm - matching top-tier devs with hot SF/NYC roles. Prior: Scaling startups as CTO. Tweeting about agents, code, coins and Kant.
JoanCongreve @FiZ8jfdAlC4M2Me
0 Followers 92 Following
EdithVincent @5e171KDejxL1TR
1 Followers 81 Following
Patricia @hendrick_patric
318 Followers 3K Following
ADERIBIGBE OLUSEYI YE... @yemiwilliam1
98 Followers 1K Following ADERIBIGBE is a dedicated Public Health and Health Promotion professional with a strong passion for improving community health outcomes through evidence-based.
GemmaIV. @wRpJLVRaYy6i9
30 Followers 2K Following
@LivvyT_UK @LivvytU
54 Followers 477 Following Flower markets 🌸 | Brunch with friends Chicken wrangler, hospitality specialist, author
James Anthony @JamesAn90615942
909 Followers 7K Following I am an online marketer and learning how to enjoy my later years.
Linda @k_linda85
263 Followers 3K Following
AgathaHicks @45OuQJTGnEXJM
10 Followers 795 Following
ETF_Arbitrage🇺🇸 @Auduinoof99439
49 Followers 2K Following 15-30% Monthly | 2 High-Conviction Stocks.Short-Term Gains: 15-20% in Days/Weeks.DM "JOIN" for WhatsApp Alerts. Live Trade Signals • Market Analysis
Emery @Cojaw880302
26 Followers 1K Following "Life is unpredictable, but good medicine and a compassionate heart never fail."
Hannah @L2R6XOh0evWGV
11 Followers 542 Following Need a new content parntnerrr heheeh, link beloww lets see if we are closeeee!
ANTONIO HUNTIS @Antoniohuntis
171 Followers 371 Following ¡El cambio tecnológico no solo es posible, es ahora! Tomemos la iniciativa y transformemos la industria juntos.
Lahren @Lahren_Martinez
21 Followers 183 Following Disciplined. Determined. Devoted. Proudly serving with honor and integrity. Built by challenge, driven by purpose. Loyalty isn’t just a word—it’s a way of life
Tao Burga @taoburr
1K Followers 676 Following Technology Fellow @IFP | AI+science, compute policy, and def/acc R&D. | Prev. @NYUniversity researcher, @iapsAI Fellow, @BrownUniversity.
USD_Impact🇺🇸 @Weetu2187720
40 Followers 2K Following 15-30% Monthly | 2 High-Conviction Stocks.Short-Term Gains: 15-20% in Days/Weeks.DM "JOIN" for WhatsApp Alerts. Live Trade Signals • Market Analysis
Anahi Lehner @AnahiLehne5810
76 Followers 3K Following
Josh Landes @guynamedjoshl
300 Followers 1K Following into flourishing futures and making friends with smart machines | trying to help make AI go well @BlueDotImpact
Hailee Braun @braun_hail83278
26 Followers 2K Following
Xorxuc @Xorxuc387
35 Followers 1K Following
Archie Hall @ArchieHall
7K Followers 3K Following 📈 and 🇺🇸 for @TheEconomist. More at: https://t.co/qPYdNidstF
Tricui @Tricui194820
11 Followers 1K Following
Easlalvou @Easlalvou23885
19 Followers 989 Following
Maye @mayemusk87y
38 Followers 1K Following Bestselling International Author of A woman makes A plan 📖Doctor of Dietetics 👩 Supermodel 👩😍
Eze e @Ezee40206424
50 Followers 661 Following
Xunar @Xunar843
19 Followers 1K Following
TICK_Trader🇺🇸 @Lawaw5453807
46 Followers 2K Following 15-30% Monthly | 2 High-Conviction Stocks.Short-Term Gains: 15-20% in Days/Weeks.DM "JOIN" for WhatsApp Alerts. Live Trade Signals • Market Analysis
Almirvkie @Almirvkie8242
9 Followers 1K Following
Lisa Clark @Lisaoliviaclark
476 Followers 3K Following GOD FIRST🙏 LIFESTYLE ✈️TRAVELER✈️ ENTREPRENEUR 📉📈 God bless America We are a nation founded under God, Let's keep it that w #TRUMP2024 In God we trust.
Petra Kosonen @PetraKosonen
328 Followers 405 Following Postdoc in philosophy @UTAustin, previously DPhil (PhD) @UniofOxford. I work on ethics and decision theory. From Finland 🇫🇮
Trent Davis @TrentD35214
34 Followers 2K Following
Laura Fingal-Surma �... @urbanistvc
4K Followers 4K Following Venture activist @ https://t.co/qAoFbsEp2E | founding team @swyftcities 🚡 | scout @HustleFundVC | board @Parking_Reform | built @yimbyaction 🏗️🏘️ | abundance agenda
Richard Nerland @Nerland87
461 Followers 2K Following Trying learn to live with doubt, uncertainty, and not knowing. (he/him)
Hazle Herzog @HHerzog68208
50 Followers 2K Following
Bruce Henderson @bh99992002
16 Followers 89 Following
Glooirli @Glooirli552
4 Followers 402 Following
Molly Hickman @celloMolly
614 Followers 689 Following Technical product manager @ Metaculus. Kidney donor. 🧬 Samotsvety Forecasting
Geishakyd sandra @GeishakydS
195 Followers 555 Following Fans Base and Discussion🍎😛Contact me here +1 (657) 779-1215
Frerdaw @Frerdaw06976
41 Followers 1K Following
Helai Hesham @DrHelaiHesham
147 Followers 160 Following Assistant Professor of OB/GYN practicing Urogynecology at Columbia University Medical Center and New York Presbyterian. Opinions are my own.
Matthew Yglesias @mattyglesias
548K Followers 2K Following Slow Boring, cohosting https://t.co/wxUj3JFSFf, Bloomberg columnist
Peter Wildeford🇺�... @peterwildeford
21K Followers 318 Following Globally ranked top 20 forecaster 🎯 Working at @IAPSai to shape AI for prosperity and human freedom.
Kelsey Piper @KelseyTuoc
47K Followers 943 Following We're not doomed, we just have a big to-do list.
David Manheim @davidmanheim
9K Followers 2K Following Lecturer @TechnionLive, founder @alter_org_il, emeritus @superforecaster, PhD @PardeeRAND Optimistic on AI, pessimistic on humanity managing the risks well.
Habiba 🔸 @FreshMangoLassi
5K Followers 513 Following Co-founder @SpiroTB - TB screening and prevention charity focused on children https://t.co/sBf6ONGMSL 🔸 10% Pledge #103 with @Givingwhatwecan @habibabanu.bsky.soc
Alexander Berger @albrgr
14K Followers 2K Following Enjoys a good applied micro paper. CEO of @open_phil. Views my own, tweets self-destruct every once in a while.
Eliezer Yudkowsky ⏹... @ESYudkowsky
207K Followers 101 Following The original AI alignment person. Missing punctuation at the end of a sentence means it's humor. If you're not sure, it's also very likely humor.
Dustin Moskovitz @moskov
72K Followers 499 Following
Richard Ngo @RichardMCNgo
62K Followers 2K Following studying AI and trust. ex @openai/@googledeepmind
Nuño Sempere @NunoSempere
4K Followers 718 Following Researcher, forecaster, consigliere, programmer. Disagreement is a ladder, measure is unceasing. Now anticipating global catastrophes @XRiskFYI
Noah Smith 🐇 @Noahpinion
359K Followers 2K Following Writes about economics, posts about rabbits. For serious opinions/analysis, read my blog: https://t.co/KfUxUlCYPz
dylan matthews 🔸 @dylanmatt
72K Followers 1 Following I write for Vox 🔸 I donate 10 percent of my income to effective charities and so can you https://t.co/3L39qEBEue
Frances Lorenz @frances__lorenz
6K Followers 607 Following Claude says I process my emotions out loud & my girlfriend has a job, so I put my feelings & thoughts here ✨ working on the EA Global team @ CEA (views my own)
Linch @LinchZhang
3K Followers 243 Following Founder and CEO, Open Asteroid Impact (https://t.co/UsO3MCTSOF). April 1st Launch! Also on substack: https://t.co/NkGEUNjdbu
Holly ⏸️ Elmore @ilex_ulmus
7K Followers 356 Following Dedicated to the protection and thriving of sentient beings. PhD in evo bio.🔸 Executive Director of @PauseAIUS. Opinions not necessarily those of the org.
Qualy the lightbulb @QualyThe
10K Followers 322 Following Official Unofficial EA mascot. I'm here to make friends and maximise utility, and I'm all out of neglected altruistic opportunities
Daniel Eth (yes, Eth ... @daniel_271828
9K Followers 969 Following Researching effects of automated AI R&D | pro-America, pro-tech, & pro-AI safety
Cate Hall @catehall
26K Followers 247 Following CEO @ Astera | born lucky anon feedback: https://t.co/9RtcgMyTHP | https://t.co/buKUN4hYly I write about agency and related topics via Useful Fictions on S*bst*ck
lizvstein @lizvstein
2K Followers 259 Following Life is non-linear: aerospace engineer turned VC investor.
RaDVaC @RADVACproject
2K Followers 180 Following Rapid Deployment Vaccine Collaborative. Radically decentralized, open-source vaccine R&D to defeat disease around the globe. 🧪🌍🌏🌎 501(c)(3) Non-profit.
Rush Doshi @RushDoshi
32K Followers 4K Following Asst Professor, Georgetown • Director, CFR China Strategy Initiative • Biden NSC '21-24 • Wrote The Long Game: China's Grand Strategy to Displace American Order
Autistic Courtesan | ... @Adelynbackup
4K Followers 43 Following Pragmatist&Romantic |deleted at70k @adelynmooreny interests:Horology,ai,biohacking/longevity,Japan,Rockclimbing,Absurdism. Blog: https://t.co/LZM64QEpzq 👇👇
Golden Gate Institute... @GoldenGateInst
477 Followers 35 Following
Oliver Kim @oliverwkim
6K Followers 928 Following Development economist. Research Fellow at @open_phil. PhD @berkeleyecon, AB @harvard. Views my own.
Cleo Abram @cleoabram
65K Followers 972 Following Video journalist making Huge If True. optimist. https://t.co/EI32Qgtigc + https://t.co/5XonR9ycgn + https://t.co/zhjyLwlhnC. previously: Vox. subscribe 👇
natasha mascarenhas @nmasc_
52K Followers 5K Following VC & Startups Reporter, Dealmaker columnist @theinformation Tell me tips privately on Signal at nmasc.03 or 925 271 0912
Kevin Weil 🇺🇸 @kevinweil
110K Followers 3K Following CPO @OpenAI, BoD @Cisco @nature_org, LTC @USArmyReserve Prev: President @Planet, Head of Product @Instagram @Twitter ❤️ @elizabeth ultramarathons kids cats math
Tejal Patwardhan @tejalpatwardhan
5K Followers 631 Following thinking hard about hard evals // research @openai
Clean Air Task Force @cleanaircatf
47K Followers 1K Following Catalyzing resilient solutions for a cleaner future.
Pony • YKTN 🐺�... @coladaclan
2K Followers 390 Following Distractible neurospice girl • Seeing all the bullshit, and loving it anyway • This summer: standing still, having faith
Ronny Fernandez (12/1... @RatOrthodox
4K Followers 304 Following walled surveilled compound manager. moonlighting as whorelord manager. Sentences starting with a lowercase letter are humor, sarcasm, exaggeration, or similar.
Erik Torenberg @eriktorenberg
139K Followers 4K Following General Partner @a16z. Seed investor in Scale AI, Applied Intuition, Pave, Lattice, Rappi
lada @ladanuzhna
8K Followers 125 Following working on epigenetic medicines for diseases of aging @ stealth; funding aging research @impetusgrants;
Civic Future @civic_future
3K Followers 0 Following Civic Future identifies and supports highly talented individuals to enter public life. Apply here: https://t.co/A9tyl3fMIP
Market Shaping Accele... @UChi_MSA
560 Followers 70 Following UChicago's Market Shaping Accelerator aims to catalyze market shaping tools to accelerate innovation to solve the world’s most pressing challenges.
Jolie (in SF) @joliegans
747 Followers 727 Following Distressed scientist | prev @mit, @uoft, @who, built/filmed some things https://t.co/OkcKbDPSew
Ovelle @OvelleBio
12 Followers 10 Following Empowering parents with more freedom to decide when and how to build their families through IVG—creating eggs from regular cells
Noor Siddiqui @noor_siddiqui_
14K Followers 1K Following Helping everyone have a healthy baby @OrchidInc Prev Stanford CS, AI Lab, @thielfellowship
The Argument @TheArgumentMag
10K Followers 9 Following Join us. We're Libbing Out. Complaints to @JerusalemDemsas
Ellie @ Sleepawake @_edgeoflight_
204 Followers 308 Following building @sleepawake_camp -- a playground/lab for healing emotional patterns in community. learning to let the soft animal of my body love what it loves
Sleepawake @sleepawake_camp
217 Followers 1 Following a playground-laboratory for building deep emotional wellbeing and high-quality relationships. account run by @_edgeoflight_
Sujeet Indap @sindap
20K Followers 984 Following Wall Street Editor at The Financial Times, erstwhile I-banker, co-author: CAESARS PALACE COUP, Diversion Books, March 2021
Tao Burga @taoburr
1K Followers 676 Following Technology Fellow @IFP | AI+science, compute policy, and def/acc R&D. | Prev. @NYUniversity researcher, @iapsAI Fellow, @BrownUniversity.
Christopher Koopman @ckoopman
3K Followers 886 Following CEO @abundanceinst. Meghan's husband. Henry, Danny, Caroline, Jude, Anna, Rose, and Grace’s dad.
BlueDot Impact @BlueDotImpact
508 Followers 11 Following We run courses that support you to gain the knowledge, community and network needed for a high-impact career. Start here: https://t.co/G7acLeTtAs
Josh Landes @guynamedjoshl
300 Followers 1K Following into flourishing futures and making friends with smart machines | trying to help make AI go well @BlueDotImpact
Alex Gruver @Alex_Gruver1
684 Followers 46 Following Co-founder at https://t.co/aW1pe2MaPJ with @stephen_zerfas
Joyce Zhang @thejoycezhang
1K Followers 64 Following Dating Coach for High Performers Former @Stripe Product Manager | @BCG @MIT Alum Creating exceptional partnerships with analytics + emotions ❤️🔥
Winslow.Ξ @winslow_strong
2K Followers 319 Following I work towards a flourishing future for humanity via technology and consciousness development. The Consciousness Foundation (CoFo).
Ben Goldhaber @BenGoldhaber
944 Followers 793 Following goal: something human makes it out of the near-future. flf, all tweets should be treated as binding legal advice.
Hattie Zhou @oh_that_hat
10K Followers 851 Following I want to understand things deeply and explain them well. Building friendly AI @AnthropicAI Give me anonymous feedback: https://t.co/7aBNrpbad8
Chan Zuckerberg Initi... @ChanZuckerberg
27K Followers 451 Following We are working at the intersection of AI and biology to advance science, build powerful technologies and transform health.
Dylan Patel @dylan522p
94K Followers 941 Following SemiAnalysis Boutique AI & Semiconductor Research and Consulting DMs are open for consulting, quotes, or to talk shop
SLIME MOLD TIME MOLD @mold_time
12K Followers 386 Following "If one does not expect it, one will not find out the unexpected; It is not to be tracked down and no path leads us to it." // https://t.co/YLVd6o5tdr
Adam Feuerstein ✡�... @adamfeuerstein
120K Followers 781 Following Biotech reporter @statnews. Dog ❤️er. Polk Award winner. #COYS. Said one analyst: The likes of Adam Feuerstein attack viciously. On Signal: stataf.54
Chris Power @2112Power
20K Followers 5K Following Techno-industrialist, believer in hard power and Pax Americana. Automated Factories and the New American Workforce are how we win.
Petra Kosonen @PetraKosonen
328 Followers 405 Following Postdoc in philosophy @UTAustin, previously DPhil (PhD) @UniofOxford. I work on ethics and decision theory. From Finland 🇫🇮
Kevin Outterson @koutterson
3K Followers 494 Following Law prof @BU_Law & ExecDir @CARB_X Married to Marya 3.6 decades and counting. 4 daughters, 1 son-in-law & 3 wonderful grandkids. Tweets & RTs entirely my own.