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    Casey Handmer

    Casey Handmer

    5.0KFollowing215Top Followers68.0KTotal Followers

    BIO

    Physicist, Immigrant, Pilot, Dad. Former Caltech, Hyperloop, NASA JPL. Once considered pretty smart for an organic. Founder @terraformindies. Hiring!

    #840in/Tech
    @CJHandmer
    @CHandmer

    Vibe and topics

    Based on 180 recent X posts Β· click a vibe for evidence

    Vibe
    Informing
    Informing16.2%
    Hopeful14.6%
    Humorous14.3%
    Announcing14.3%
    Teaching13.3%
    Provocative12.6%
    Supportive7.8%
    Banter4.1%
    Other2.8%
    Topics
    Terraform Industries
    Terraform Industries27.1%
    Claude Code Projects16.4%
    Synthetic Fuels15.8%
    Lunar South Pole14.4%
    NASA Program Failures10.4%
    Solar Energy Advocacy9.2%
    Australian Policy Criticism6.6%

    Top followers

    Andrej Karpathy
    #1

    Andrej Karpathy

    @karpathy

    Noam Brown
    #42

    Noam Brown

    @polynoamial

    Researching reasoning @OpenAI | Co-created Libratus/Pluribus superhuman poker AIs, CICERO Diplomacy AI, and OpenAI o-series πŸ“ reasoning models

    Elon Musk
    #56

    Elon Musk

    @elonmusk

    http://Terafab.AI

    Dwarkesh Patel
    #59

    Dwarkesh Patel

    @dwarkesh_sp

    Host of @dwarkeshpodcast https://www.youtube.com/DwarkeshPatel https://open.spotify.com/show/4JH4tybY1zX6e5hjCwU6gF https://apple.co/3ujLQkZ

    Nat Friedman
    #64

    Nat Friedman

    @natfriedman

    http://nat.org

    Eric Jang
    #68

    Eric Jang

    @ericjang11

    Nathan Lambert
    #70

    Nathan Lambert

    @natolambert

    Open model research, founder, director @trillium_labs. Prev. co-led Olmo at Ai2. Writes @interconnectsai, wrote http://posttrainingbook.com

    Susan Zhang
    #80

    Susan Zhang

    @suchenzang

    Always hungry for intelligence.

    Sholto Douglas
    #101

    Sholto Douglas

    @_sholtodouglas

    Scaling RL @AnthropicAI, ex @DeepMind - working towards intelligence too cheap to meter

    Elad Gil
    #109

    Elad Gil

    @eladgil

    Entrepreneur & Investor

    sarah guo
    #122

    sarah guo

    @saranormous

    startup investor/helper, founder @conviction. interested in intelligence, accelerating progress. tech podcast: @nopriorspod

    Taco Cohen
    #140

    Taco Cohen

    @TacoCohen

    Slop janitor & post-trainologer at Meta / FAIR. Into codegen, RL, equivariance. Spent time at Qualcomm, Scyfer (acquired), UvA, Deepmind, OpenAI.

    Danilo J. Rezende
    #148

    Danilo J. Rezende

    @DaniloJRezende

    Executive Director and Principal Scientist @ EIT | Building models to accelerate fundamental sciences.

    Dylan Patel
    #165

    Dylan Patel

    @dylan522p

    SemiAnalysis AI Infrastructure Research and Consulting DMs are open for consulting, quotes, or to talk shop, Opinions my own

    Catherine Olsson
    #167

    Catherine Olsson

    @catherineols

    Hanging out with Claude, improving its behavior, and building tools to support that @AnthropicAI 😁 prev: @open_phil @googlebrain @openai (@microcovid)

    Jeff Bezos
    #171

    Jeff Bezos

    @JeffBezos

    Six thousand years ago, someone invented the plow, and we all got wealthier. A gentle reminder that all civilizational wealth is driven by invention.

    Vinod Khosla
    #172

    Vinod Khosla

    @vkhosla

    entrepreneurship zealot, grounded technology possibilist, believer in the power of ideas, passionate about sustainability & impact; @Seahawks & @12s fan

    David Pfau
    #178

    David Pfau

    @pfau

    Knowledge manifests itself in radiant dreams that shimmer like the wild sun Views are my own http://davidpfau.com on πŸ¦‹

    Leopold Aschenbrenner
    #182

    Leopold Aschenbrenner

    @leopoldasch

    http://situational-awareness.ai

    Bob McGrew
    #192

    Bob McGrew

    @bobmcgrewai

    Learning new things. Former Chief Research Officer at OpenAI, early exec at Palantir, early employee at Paypal.

    John Collison
    #214

    John Collison

    @collision

    Co-founder of @stripe.

    tobi lutke
    #222

    tobi lutke

    @tobi

    Shopify CEO by day, Dad in evening, hacker at night, Aspiring comprehensivist.

    Amjad Masad
    #228

    Amjad Masad

    @amasad

    ceo @replit. civilizationist

    swyx πŸ—½ @aiDotEngineer NYC
    #229

    swyx πŸ—½ @aiDotEngineer NYC

    @swyx

    achieve ambition with intentionality, intensity, integrity & insanity. affiliations: - @smol_ai - @dxtipshq - @cognition - @aidotengineer - @latentspacepod

    Dylan Field
    #234

    Dylan Field

    @zoink

    eliminate the gap between imagination and reality

    Palmer Luckey
    #240

    Palmer Luckey

    @PalmerLuckey

    I am a technology enthusiast, writer, and modder. Founder of @ModRetro, @Oculus VR, and @Anduriltech. Keeping American superheroes safe with autonomous systems.

    Ben Thompson
    #241

    Ben Thompson

    @benthompson

    Author/Founder of @stratechery. Host of @ditheringfm @sharptechpod. @notechben for sports. @monkbent on other networks. Home on the Internet.

    David Dohan
    #265

    David Dohan

    @dmdohan

    reducing perplexity & ai for science | past: reasoning o1/o3/... @openai & probabilistic programs, proteins, science & reasoning @ google brain 🧠

    Smerity
    #267

    Smerity

    @Smerity

    ML x science. Founding Member of Technical Staff at @PrometheusInc. Prev @midjourney, @SFResearch, @CommonCrawl. @Harvard '14, @Sydney_Uni '11. πŸ‡¦πŸ‡Ί in SF.

    near
    #270

    near

    @nearcyan

    where

    martin_casado
    #278

    martin_casado

    @martin_casado

    @ a16z

    Emmett Shear
    #279

    Emmett Shear

    @eshear

    CEO of Softmax: Massively Multiplayer Learning Environments

    will depue
    #287

    will depue

    @willdepue

    dei ex machina prev @ openai (sora 1 & 2, posttraining o3/4o, pretraining moonshots)

    Peter Welinder
    #297

    Peter Welinder

    @npew

    Devices @OpenAI

    Shivon Zilis
    #309

    Shivon Zilis

    @shivon

    Artificial intelligence, biological intelligence, and whatever exists in between and beyond. Made in Canada.

    Eugene Vinitsky πŸ¦‹
    #318

    Eugene Vinitsky πŸ¦‹

    @EugeneVinitsky

    This account only exists so no on else can occupy it. Please contact through other means. Lab website: http://emerge-lab.github.io

    Bryan Johnson
    #321

    Bryan Johnson

    @bryan_johnson

    Founder Immortals, Blueprint, Kernel, Braintree Venmo. Conquering death will be humanity’s greatest achievement.

    Rohan Pandey
    #340

    Rohan Pandey

    @khoomeik

    descending cross-entropy to ascend entropy @PeriodicLabs || prev research @OpenAI @CarnegieMellon '23

    Richard Ngo
    #363

    Richard Ngo

    @RichardMCNgo

    eppur lo si puΓ² muovere

    Suhail
    #370

    Suhail

    @Suhail

    Starting something new. Past: CEO & Founder @mixpanel Pizzatarian, engineer, music maker

    Tom Brown
    #380

    Tom Brown

    @NotTomBrown

    Co-founder and Chief Compute Officer @AnthropicAI

    Ryan Petersen
    #405

    Ryan Petersen

    @typesfast

    Founder and CEO of Flexport. Tariff whisperer

    Brian Armstrong
    #418

    Brian Armstrong

    @brian_armstrong

    Co-founder & CEO @Coinbase. Creating more economic freedom in the world. Co-founder @researchhub @newlimit. Not investment advice.

    Anjney Midha
    #425

    Anjney Midha

    @AnjneyMidha

    founder, scientist, teacher @amppublic @stanford @frontiersystems β€’ scaling alignment.

    Kawin Ethayarajh
    #435

    Kawin Ethayarajh

    @ethayarajh

    Assistant Professor of Applied AI @ChicagoBooth @UChicago. PhD @stanfordnlp.

    Patrick Hsu
    #445

    Patrick Hsu

    @pdhsu

    @ArcInstitute co-founder, @Stanford professor, @ThriveCapital investor | biology and ML research | πŸ‡¨πŸ‡¦ prev @harvard @broadinstitute, Fast Grants

    kipply
    #449

    kipply

    @kipperrii

    "drop the forest nymph act we know how much gdp you generate" - max novendstern

    Patrick McKenzie
    #458

    Patrick McKenzie

    @patio11

    I work for the Internet and am an advisor to @stripe. These are my personal opinions unless otherwise noted.

    Andrew Carr 🀸
    #473

    Andrew Carr 🀸

    @andrew_n_carr

    co-founder leading science @getcartwheel co-founder advisor @arcade_ai Past: Codex @OpenAI, Brain @GoogleAI, world ranked Tetris player

    Beff (e/acc)
    #488

    Beff (e/acc)

    @beffjezos

    founder @ e/acc // thermo king @extropic // Kardashev scaling is all you need