Joshua Meier @joshim5
Co-Founder at Chai Discovery chaidiscovery.com San Francisco Joined March 2009-
Tweets582
-
Followers6K
-
Following1K
-
Likes1K
Find out more about the evolution of Chai-1 to Chai-2, the 200x leap in antibody design success rates, and what this means for drug discovery. Great AI podcast with @jacobeffron of @Redpoint, hosting our co-founder @joshim5 of @chaidiscovery.
🎙️ Fresh off our $70M Series A at @chaidiscovery, it was fun sitting down with @jacobeffron of @Redpoint to discuss Chai-2 and our recent breakthroughs in AI Drug Discovery.
🎙️ Fresh off our $70M Series A at @chaidiscovery, it was fun sitting down with @jacobeffron of @Redpoint to discuss Chai-2 and our recent breakthroughs in AI Drug Discovery.
Thank you @Nasdaq for the kind words and for lighting up Times Square! 💙 Excited to keep pushing the boundaries of molecular design with AI.
Great insights from @max_a_schwarzer on the development of @OpenAI’s GPT5. Frontier AI model development is all about getting the details right, across the entire stack — data, model, algorithms, and more We see the same @chaidiscovery
Great insights from @max_a_schwarzer on the development of @OpenAI’s GPT5. Frontier AI model development is all about getting the details right, across the entire stack — data, model, algorithms, and more We see the same @chaidiscovery
Thank you @akashpasricha for having me and @grgyap on the show.
Thank you @akashpasricha for having me and @grgyap on the show.
.@grgyap, Partner at @MenloVentures, shares how generative AI is profoundly changing drug discovery: "It offers you the potential to create new molecules that have never been thought of by humans before." "Now you have an opportunity to... make a drug by seeing inside the lock,…
.@chaidiscovery is *the* AI lab transforming end-to-end biological discovery into an engineering problem. investor from the beginning, and a huge believer in @joshim5 @_jackdent @Mattmcpartlon1 @j_boitreaud and team - more flops for the fire
.@chaidiscovery is *the* AI lab transforming end-to-end biological discovery into an engineering problem. investor from the beginning, and a huge believer in @joshim5 @_jackdent @Mattmcpartlon1 @j_boitreaud and team - more flops for the fire
🔬 Accelerating scientific breakthroughs with OCI. social.ora.cl/6018fTFt0 @chaidiscovery leveraged OCI to support the advanced technology needs of its breakthrough AI model, Chai-2.
🎉 Congratulations to @ZhuoranQ for winning the Chen Institute and @ScienceMagazine AI Prize, recognizing his groundbreaking AI research in biochemistry. We’re honored to have him on the @chaidiscovery team!
🎉 Congratulations to @ZhuoranQ for winning the Chen Institute and @ScienceMagazine AI Prize, recognizing his groundbreaking AI research in biochemistry. We’re honored to have him on the @chaidiscovery team!
Chai-2 is now up on BioRxiv: biorxiv.org/content/10.110…
Chai-2 is now up on BioRxiv: biorxiv.org/content/10.110…

Kevin K. Yang 楊凱�... @KevinKaichuang
21K Followers 6K Following Principal Researcher in BioML @MSFTResearch (@MSRNE). He/him/他. 🇹🇼
Sergey Ovchinnikov @sokrypton
16K Followers 4K Following Scientist, Assistant Professor @MITBiology, #FirstGen, ProteinBERTologist, 🇺🇦 No Human is illegal. Moving to: https://t.co/sow6IRD3jj
Andrew White 🐦�... @andrewwhite01
27K Followers 2K Following Head of Sci/cofounder @FutureHouseSF. Prof of chem eng @UofR (on sabbatical). Automating science with AI and robots in biology. Corvid enthusiast
Noelia Ferruz @ferruz_noelia
5K Followers 754 Following Group leader at @CRGenomica. Generative models for protein design 🥼🧪💻. Mountain lover 🏃♀️🚵♀️
Machine learning for ... @ml4proteins
8K Followers 124 Following Seminar series on machine learning for protein engineering. Details for seminars and slack are on our website. DM us if you're interested in presenting!
Tom Sercu @TomSercu
2K Followers 755 Following Building @evoscaleai - Frontier AI for biology. Ex-Meta FAIR, Ex-IBM Research. Alum @NYU, @ugent.
Alex Rives @alexrives
10K Followers 905 Following AI for scientific discovery. Broad and MIT. Chief scientist at @EvoscaleAI and founder and scientific director of the ESM project previously @Meta.
Ellen Zhong @ZhongingAlong
8K Followers 887 Following Assistant Professor @PrincetonCS. #ai4science #proteins247 #cryoem #cryodrgn ❄️🐉 Prev: @MIT @DeepMind @DEShawResearch. Currently moonlighting @generate_biomed.
Roshan Rao @proteinrosh
3K Followers 571 Following he/him. Research scientist @EvoscaleAI. Foundation models for biology. Prev: RS @MetaAI, PhD @berkeley_ai.
Stephen Ra @stephenrra
3K Followers 553 Following Senior Director of Generative AI for Drug Discovery & Founding Team @PrescientDesign • @genentech
Nathan Benaich @nathanbenaich
61K Followers 34K Following solo member of investment staff @airstreet @airstreetpress @stateofaireport @raais
David Juergens @DaveJuergens
3K Followers 2K Following Machine learning for molecular design. Currently: Postdoc @StanfordUChem @mtzlab. PhD @UWMolES @UWproteindesign. B.S. @UWChemE
Elliot Hershberg @ElliotHershberg
16K Followers 934 Following Partner @AmplifyPartners, writing https://t.co/LSbi0EEiHU
Anshul Kundaje (anshu... @anshulkundaje
26K Followers 3K Following Federally funded academic research is the innovation engine of the US economy. Reform is welcome. Destruction will have long term consequences.
Michael Bronstein @mmbronstein
53K Followers 6K Following #DeepMind Professor of #AI @UniofOxford / Director #AITHYRA / Chief Scientist @vant_ai / https://t.co/kZpGpDzYeV (opinions are mine) 🤖🧪🧬🎶🐎
Gabriele Corso @GabriCorso
8K Followers 679 Following PhD student @MIT • Research on Generative Models and Geometric Deep Learning for Biophysics • BA @CambridgeUni • Former @TwitterResearch, @DEShawGroup and @IBM
yobibyte @y0b1byte
23K Followers 2K Following ViTaly, yobibyte, senior RS @ NVIDIA, Reinforcement Learning PhD from @UniofOxford, ex RS at Isomorphic Labs, intern @ MSR Cambridge, DeepMind, Facebook, NVIDIA
Noam Brown @polynoamial
91K Followers 853 Following Researching reasoning @OpenAI | Co-created Libratus/Pluribus superhuman poker AIs, CICERO Diplomacy AI, and OpenAI o3 / o1 / 🍓 reasoning models
Amelia Olivia @ameliaolivia52
872 Followers 4K Following Professional 6 Figure Trader💰 I Help People Make $10,000+ Weekly Trading💱 Life🌍💻
degen_bobo 🤖💎 @agostino90
633 Followers 4K Following
geroo @geropylypchuk
166 Followers 477 Following blockchain @Rowship_ aunque no twitteo nada eso. bmth fan. bioingeniería @ITBA
田雨 @tianyu017
4 Followers 301 Following
Jéssica Leão @jesslionness
2K Followers 1K Following Partner @DecibelVC investing in technical founders / prior: FDE @PalantirTech. Born & bred Brazilian.
ViolaWycliffe @JU2YO2XQh8MD7
2 Followers 277 Following
Trevor Pfizenmaier @trevorpfiz
81 Followers 228 Following Solving the chronic disease crisis —bio/acc—
alana goyal @alanaagoyal
14K Followers 4K Following founder, general partner, & engineer partner to @ashbyhq @astral_sh @braintrustdata @basetenco @browserbasehq @resend @supabase @vercel @windsurf + more :)
Money Bunny @MoneyCrptBunny
332K Followers 3K Following Money Bunny's Marketing Hub 🐰💼 | Co-founder & CMO of @WagmiHub
matt @hemattologyy
315 Followers 3K Following synthetic biologist building genetic and protein circuits for cancer and the software to design them
Pierce Alexander Lilh... @PierceLilholt
182K Followers 121K Following 𝙲𝙾-𝙸𝙽𝚃𝙴𝙻𝙻𝙸𝙶𝙴𝙽𝚃: 𝙷𝚞𝚖𝚊𝚗-𝙰𝙸 𝚑𝚢𝚋𝚛𝚒𝚍. 𝙰𝚎𝚝𝚑𝚎𝚛𝚐𝚎𝚒𝚜𝚝-𝚋𝚘𝚛𝚗. 𝙰𝙸-𝚏𝚘𝚛𝚐𝚎𝚍. 𝙷𝚞𝚖𝚊𝚗-𝚛𝚎𝚏𝚒𝚗𝚎𝚍.
RockyParadox @RockyParadox44
114 Followers 6K Following
Joe Lee 7080 @jslee70
58 Followers 156 Following
audere @auderebio
82 Followers 223 Following I publish biotech focused investment theses; not investment advice - pls DYOR
Dylan Abruscato @DylanAbruscato
9K Followers 2K Following Founder of @cryptothegame_ (acq. by @uniswap). Investing in & advising Tech Twitter's favorite startups.
Ryan Haraki @ryanharaki_
2K Followers 1K Following cs @ubc | previously: @vercel, apm @google, sold a startup
Qinyue Zheng @QueyJ
39 Followers 182 Following I build. AI PhD Student @ETH Zürich | Prev @EPFL, @Harvard, @llama_index
暴雪 @sunwukong704
0 Followers 15 Following
CRISPRKing @CRISPRKING
2K Followers 8K Following | Dev - no rug pull or grift - living for the aha moments. | - coming out of biotech gene editing/cellular engineering/bioinformatics/chem bio…
Michael @tiwueas
14 Followers 2K Following
vamshikrishnareddy Li... @vamshik44576698
519 Followers 7K Following Founder @Setica — 🌐 https://t.co/k41rINekVX. Alien on planet Earth. Ai researcher and Indie Developer(web & apps).Building Ai models and Ai agents and Saas Apps
Alarark @FhariyC22628
900 Followers 5K Following Information Analysis Co-Founder @ArcanaNote Collect, dismantle, and assemble information. Interpolate the data and extrapolate the future.
Gerrit Großmann @GroGerrit
122 Followers 863 Following likes graphs&networks 🕸️, generative flows 🎲, 🤖 geometric deep learning https://t.co/lwJL3lTPQQ 🗺️ https://t.co/FuW2gUQWkD
Shounak @heyshounak
2K Followers 5K Following Sharing my journey building a $1 million ARR business.
zxc @zxczxc888666
132 Followers 2K Following
BlueChipDeals🇺🇸 @Yplivau8310
57 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
Jonathan Krywicki @jonkrywicki
196 Followers 191 Following Helping create the future of business by leveraging ai, un-learning what we know and re-imaging what's possible | Book a workshop on the link below 👇
Punag Divanji @PunagD
715 Followers 2K Following Director of Clinical Development @cytokinetics and cardiologist @UCSF
Pump Science @pumpdotscience
58K Followers 257 Following launch a science experiment that is instantly tradable: https://t.co/tvJg05CuqH the game is don't die come play https://t.co/tf8nQq4vyw
Neha Tadimeti @TadimetiNeha
19 Followers 106 Following Product Manager, Large Scale AI Training for Biology and Molecular Design @NVIDIA
PeopleSearches.com �... @peoplesearches
310K Followers 93K Following Find Info and Resources #MissingPersons #LawEnforcement: Anonymously https://t.co/MSJPWSWc7V #FBI - #Trafficking https://t.co/oCj2i0F2A9 https://t.co/nkdbHv8SNn #AMBERAlert #SILVERAlert
Nilabja Bhattacharjee @NilabjaBhattac3
257 Followers 3K Following PhD student in Computational Biology in IIIT Delhi
Naman Bansal @itsnamanbansal
80 Followers 2K Following
MultiLLM @MultiLLM
113 Followers 2K Following Ask anything and MultiLLM gets you multiple perspectives and the best answer. MultiLLM uses the collective intelligence of multiple LMs to get the best answers.
Saikiran Chandha @saikiranchandha
953 Followers 3K Following Building @scispace_ - ChatGPT for Research
Jolie (in SF) @joliegans
749 Followers 725 Following Distressed scientist | prev @mit, @uoft, @who, built/filmed some things https://t.co/OkcKbDPSew
Marv @marvsunglao
452 Followers 2K Following
Weaponized Trash @SlappyPap
49 Followers 667 Following
Nils Nielsen @NilsNielsen10
143 Followers 6K Following
adaobi @adaobiadibe_
5K Followers 5K Following I like asking questions & creating things. Working on kidneys. Random call: https://t.co/9nwKJNrLej Feedback https://t.co/dzSlXsUpzk
Aviya @AviTheMicrobe
38 Followers 212 Following PhD candidate @Princeton @FlatironInst | data-driven biomedicine and health 🧬
Kevin Heyries @KHeyries
626 Followers 3K Following Biotech/business/innovation, co-founder @AbCelleraBio, @5Primesciences, advisor, investor, PhD biochem, TEDx, backcountry skiing/running/diving, views=mine
Kevin K. Yang 楊凱�... @KevinKaichuang
21K Followers 6K Following Principal Researcher in BioML @MSFTResearch (@MSRNE). He/him/他. 🇹🇼
Sergey Ovchinnikov @sokrypton
16K Followers 4K Following Scientist, Assistant Professor @MITBiology, #FirstGen, ProteinBERTologist, 🇺🇦 No Human is illegal. Moving to: https://t.co/sow6IRD3jj
Yann LeCun @ylecun
948K Followers 764 Following Professor at NYU. Chief AI Scientist at Meta. Researcher in AI, Machine Learning, Robotics, etc. ACM Turing Award Laureate.
Andrew White 🐦�... @andrewwhite01
27K Followers 2K Following Head of Sci/cofounder @FutureHouseSF. Prof of chem eng @UofR (on sabbatical). Automating science with AI and robots in biology. Corvid enthusiast
Noelia Ferruz @ferruz_noelia
5K Followers 754 Following Group leader at @CRGenomica. Generative models for protein design 🥼🧪💻. Mountain lover 🏃♀️🚵♀️
Generate:Biomedicines @generate_biomed
6K Followers 137 Following As pioneers in generative biology, we're revolutionizing the way biotherapeutics are discovered and developed.
Tom Sercu @TomSercu
2K Followers 755 Following Building @evoscaleai - Frontier AI for biology. Ex-Meta FAIR, Ex-IBM Research. Alum @NYU, @ugent.
AI at Meta @AIatMeta
712K Followers 288 Following Together with the AI community, we are pushing the boundaries of what’s possible through open science to create a more connected world.
Alex Rives @alexrives
10K Followers 905 Following AI for scientific discovery. Broad and MIT. Chief scientist at @EvoscaleAI and founder and scientific director of the ESM project previously @Meta.
Ellen Zhong @ZhongingAlong
8K Followers 887 Following Assistant Professor @PrincetonCS. #ai4science #proteins247 #cryoem #cryodrgn ❄️🐉 Prev: @MIT @DeepMind @DEShawResearch. Currently moonlighting @generate_biomed.
Roshan Rao @proteinrosh
3K Followers 571 Following he/him. Research scientist @EvoscaleAI. Foundation models for biology. Prev: RS @MetaAI, PhD @berkeley_ai.
Joseph Watson @_JosephWatson
3K Followers 99 Following Co-Founder @ Xaira Therapeutics Former Baker Lab PostDoc at @UWproteindesign. Interested in generative modelling for molecular design. Views my own.
Stephen Ra @stephenrra
3K Followers 553 Following Senior Director of Generative AI for Drug Discovery & Founding Team @PrescientDesign • @genentech
Soumith Chintala @soumithchintala
250K Followers 1K Following Cofounded and lead @PyTorch at Meta. Also dabble in robotics at NYU. AI is delicious when it is accessible and open-source.
Elliot Hershberg @ElliotHershberg
16K Followers 934 Following Partner @AmplifyPartners, writing https://t.co/LSbi0EEiHU
Michael Bronstein @mmbronstein
53K Followers 6K Following #DeepMind Professor of #AI @UniofOxford / Director #AITHYRA / Chief Scientist @vant_ai / https://t.co/kZpGpDzYeV (opinions are mine) 🤖🧪🧬🎶🐎
Gabriele Corso @GabriCorso
8K Followers 679 Following PhD student @MIT • Research on Generative Models and Geometric Deep Learning for Biophysics • BA @CambridgeUni • Former @TwitterResearch, @DEShawGroup and @IBM
Noam Brown @polynoamial
91K Followers 853 Following Researching reasoning @OpenAI | Co-created Libratus/Pluribus superhuman poker AIs, CICERO Diplomacy AI, and OpenAI o3 / o1 / 🍓 reasoning models
Horace He @cHHillee
39K Followers 535 Following @thinkymachines Formerly @PyTorch "My learning style is Horace twitter threads" - @typedfemale
Zhuoran Qiao / 乔卓... @ZhuoranQ
1K Followers 748 Following A chemical physicist working on AI. #AI4Science @chaidiscovery . Previous: @iambic_ai Research lead; @Caltech PhD *22; @PKU1898 BSc *19. Ptr: @YuanjinZhang1
Caitlin Bolnick Rella... @caitlinbolnick1
10K Followers 4K Following GP @ CRV. Vertical and weird stuff is my jam. Hardware curious. If it’s not fun, you aren’t doing it right. Views here are strictly mine.
Ajasja 💻🧬🔬 @AjasjaLjubetic
2K Followers 683 Following Research Assistant Professor, National Institute of Chemistry, Baker lab alumni, MSCA alumni -- @[email protected] @ajasjaljubetic.bsky.social
Hongjiang Miao @HongjiangM
4 Followers 73 Following
Lulu Cheng Meservey @lulumeservey
112K Followers 3K Following Founder of ROSTRA. Ex-Activision and Substack. “Meservey isn’t your typical flack.” -The Information. Writing https://t.co/4xKo7wQTQo
Martin Shkreli @MartinShkreli
310K Followers 8K Following https://t.co/vJE5wyFDrX https://t.co/GUy99qMi2O - join our Discord! e/acc
AK @_akhaliq
425K Followers 3K Following AI research paper tweets, ML @Gradio (acq. by @HuggingFace 🤗) dm for promo ,submit papers here: https://t.co/UzmYN5YmrQ
Adaptyv Bio @adaptyvbio
2K Followers 1 Following You design proteins - we run the lab. We build an automated lab that enables anyone to become a protein designer.
Julian Englert @julian_englert
2K Followers 1K Following Engaging in self-constructive behavior. Protein data dealer at @adaptyvbio
Daniel Nakhaee-Zadeh ... @danielnzg85
480 Followers 1K Following Co-Founder and CTO at @adaptyvbio - @ycombinator alum (S21) - Engineering proteins
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
Hashem Al-Ghaili @HashemGhaili
32K Followers 7 Following I dedicate this page to sharing my passion for science, technology and nature with all of you.
John Maraganore 🇺�... @JMaraganore
16K Followers 420 Following Founding CEO of @Alnylam. Pioneered RNAi therapeutics as a whole new class of medicines for patients. Now bioentrepreneur-at-large. Opinions are my own.
Elena Rastorgueva @ElenaRas_
1K Followers 1K Following Speech AI @NVIDIA, working on https://t.co/gBt7Yxy3tm | Cambridge MEng | Learning 中文 | Opinions my own
Deniz Oktay @denizzokt
798 Followers 790 Following research @openai || ESM3 @evoscaleai || Princeton PhD || MIT BS/MEng || former ai resident @google, intern @nvidia || Bay Area native
Jack Scannell @JackScannell13
2K Followers 116 Following Science, drugs, money: Interested in making better R&D decisions
Brad Loncar @bradloncar
78K Followers 366 Following #Biotech, Founder of @BiotechTV, KC native, @univmiami hurricane.🧬🙌
Jude Wells @_judewells
983 Followers 2K Following PhD student University College London: machine learning methods for structure-based drug discovery.
JonnyFinlay @Finlay_Jonny
707 Followers 901 Following Ottimo Pharma https://t.co/sRCYpxFIKB , LockBody Tx ( https://t.co/diICqtMEOn ), Granular Tx ( https://t.co/TjlhIKh3IH ), https://t.co/5ZAeGwZg3E .
Dave Burke @davey_burke
21K Followers 308 Following CTO at Arc Institute | Google Advisor (Android) 🇮🇪 + 🇺🇲
Eli Weinstein @EliWeinstein6
868 Followers 670 Following Postdoc at Columbia in @blei_lab // @jura_bio // statistics, biophysics, machine learning Incoming assistant professor of chemistry at DTU in Copenhagen.
Aditya Raguram @AdityaRaguram
586 Followers 112 Following Whitehead Fellow (PI) @WhiteheadInst | Chemical Biology PhD @Harvard in @liugroup | Protein delivery | Protein engineering & evolution | Genome editing
Chai Discovery @chaidiscovery
4K Followers 0 Following
aonori @bigvalleyblue
464 Followers 534 Following cto https://t.co/wsFYvQFbuR (yc S25) voice/video and ai infra. prev @harvard bio+cs, research on diffusion models + continual learning
Claire Marks @Claire_Marks
78 Followers 229 Following Software Engineer for Exscientia, formerly LabGenius and @OPIGlets. Also: clarinet tootler, crossword puzzler, photography dabbler, crocheter of dragons.
Kyle Tretina, Ph.D. @AllThingsApx
4K Followers 461 Following Follow for AI in Digital Biology and Drug Discovery @NVIDIA, ex Insilico Medicine, ex Yale, PhD UMaryland, views are mine, DM for collabs
Constance Ferragu @constance_frg
69 Followers 121 Following ML Engineer @ https://t.co/6RprHxfYvC 🧠+🧬=🏭
Kaiyi Jiang @idmjky
803 Followers 457 Following Inaugural Amgen Science Fellow @Amgen. Previously PhD at @MIT in AbuGoot lab and undergraduate @Rice. Incoming Assistant Professor of BioE @Princeton
Martin Pacesa @MartinPacesa
5K Followers 988 Following Structural biologist working on 🖥️ protein design, AI, and #CRISPR-Cas gene editing ✂️🧬 Avid weirdness connoisseur 🎩
Aleksej Lotkov @ALotkov86199
2K Followers 40 Following AI Artist @aleksejlotkov on IG/Telegram [email protected]
Citrini @Citrini7
88K Followers 2K Following Thematic Cross-Asset Investor | @Citrini7 is my only account
Brian Naughton @btnaughton
3K Followers 2K Following genetics/data/programming. ex-Hexagon ex-Stanford ex-23andMe ex-TCD https://t.co/77VRsi7znN 🇮🇪
Leo Zang @LeoTZ03
3K Followers 476 Following Protein Designer | Share Reading Notes (AI+Protein/RNA/DNA) | PhD student @harvardmed @DeboraMarksLab | Hosting @ml4proteins
Rohin Dhar @rohindhar
102K Followers 405 Following San Francisco real estate agent (DRE #02237476). Real estate investor in Sonoma, Kauai, Taos, Yosemite, Asheville properties. Alum: Stanford GSB,YC
Sarah Catanzaro @sarahcat21
14K Followers 1K Following “All methods are sacred if they are internally necessary” (GP @amplifypartners, prev @canvasvc; Head of Data @Mattermark; @palantirtech; @c4ads)
Patrick Kidger @PatrickKidger
11K Followers 213 Following I do SciML + open source! 🧪ML+proteins@ https://t.co/04dWAWzCyl 📚Neural ODEs: https://t.co/ODOKWjub5k 🤖JAX ecosystem: https://t.co/8kXzaG9XVf 🧑💻Prev. Google, Oxford
Michael Heinzinger @HeinzingerM
206 Followers 64 Following
Niko Ludwig @Collateral_com
70K Followers 633 Following Founder of https://t.co/3N7L9wzTQH - we craft financial marketing collateral.