David Lieb @dflieb
GP @ycombinator. Cofounder @GooglePhotos, @bumptech San Francisco, CA Joined June 2011-
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People often wonder how startups came up with their names. In Greptile's case, it was brainstorming on slack with YC partner @bradflora during the batch. "You could add some stuff after grep to make a new word" "What do you think of greptile.com?" "but is it a multi…
People often wonder how startups came up with their names. In Greptile's case, it was brainstorming on slack with YC partner @bradflora during the batch. "You could add some stuff after grep to make a new word" "What do you think of greptile.com?" "but is it a multi… https://t.co/CDqaXRCWbF
Yes! Thank you Mayor.
Got my new iPhone yesterday! Spent the entire evening trying to log in to nearly every single app again. My annual reminder that no team ever actually cares about the onboarding experience, since they rarely have to do it themselves.
In the startup world, you don’t hear about many people using Gemini. But looks like lots of people are giving it a shot!
What kind of person puts their phone in their pocket BOTTOM DOWN?!?!
What kind of person puts their phone in their pocket BOTTOM DOWN?!?!
A bunch of lucky founders are soon going to learn just how uniquely talented @GuptaAnkitV is.
A bunch of lucky founders are soon going to learn just how uniquely talented @GuptaAnkitV is.
It’s surprising how often the answer to “why aren’t you growing faster?” is simply “hmm, I guess we kind of normalized not focusing on growth”.
An orange iPhone launched on Demo Day on my birthday? Thank you universe!
This is a glimpse of what the future UI layer for coding agents might look like
This is a glimpse of what the future UI layer for coding agents might look like
working at a YC startup >> All three of these got their first check from YC
JetBrains is no longer behind. @firebender_com just launched the first-ever background coding agents for all JetBrains IDEs. These coding agents are incredibly intelligent, have isolated workspaces, and don’t require any cloud setup.
I wish macOS would show internet speed here or somewhere else very glanceable. (Why do I have to run "speed tests" all the time?!)
A great place for founders to operate is the intersection of [would be really valuable] and [doesn’t quite work yet]. B/c it will work soon.
A great place for founders to operate is the intersection of [would be really valuable] and [doesn’t quite work yet]. B/c it will work soon.
Biggest update I’ve ever shared… @CreateWithBloom raised $3.4M to unlock the creator economy for software. Let’s be honest: web apps are easy, but building and sharing mobile apps sucks - XCode builds, Apple Developer reviews, TestFlight invites… all make going from idea to…
Our 2.5yo was saying “shut up, idiot” a lot, so I taught him a new replacement phrase. Hearing him say “don’t have a cow, man” is one of my happiest achievements.
Fun seeing an angel investment surpass my baby on the download charts! Congrats!
Fun seeing an angel investment surpass my baby on the download charts! Congrats!
“It changed the trajectory of my life.” That’s the most common way YC founders describe what it was like to go through the batch. True for me too. Still 6 hours left to apply for the F25 batch, and change the trajectory of your life too.

Shreyas Doshi @shreyas
299K Followers 1K Following Led a couple of Stripe's most successful products from early days. Prev Twitter, Google, Yahoo. Now advising & teaching. Tweets useful for some—not for everyone
Aaron Levie @levie
2.5M Followers 728 Following ceo @box - unleash the power of your content with AI
Nikita Bier @nikitabier
606K Followers 2K Following head of product @x, advisor @solana, venture partner @lightspeedvp, ex-founder @gasappteam (acq by discord), ex-founder @thetbhapp (acq by facebook)
Garry Tan @garrytan
609K Followers 5K Following President & CEO @ycombinator —Founder @Initialized—designer/engineer who helps founders—San Francisco Dem accelerating the boom loop—e/acc—technology brother
Lenny Rachitsky @lennysan
269K Followers 3K Following Deeply researched product, growth, and career advice | Newsletter: https://t.co/LF0tRFpCeT | Podcast: https://t.co/ZQWNT0iXvJ | Lennybot: https://t.co/TqkCh3hVCa
Sheel Mohnot @pitdesi
177K Followers 3K Following Posting stuff I find interesting. Work: @btv_vc, leading pre/seed rounds of fintech cos. Always up for adventure.
Josh Elman @joshelman
156K Followers 3K Following I have been very lucky to work on or invest in many products I use every day including this one when it had a different name.
Sar Haribhakti @sarthakgh
91K Followers 1K Following
Steven Sinofsky @stevesi
209K Followers 5K Following Subscribe https://t.co/Xm1OaUU8jk • seed investing • writing • ॐ •🙏• I use '—' • tweets saved 90 days • 📷
scott belsky @scottbelsky
141K Followers 2K Following helping the creative world make ideas happen. partner @a24 / founder A24Labs; founder of @Behance, bod @atlassian, author, angel investor, product obsessive.
Dalton Caldwell @daltonc
68K Followers 895 Following Founder and Partner @Standard_Cap, Partner Emeritus @ycombinator
Semil @semil
154K Followers 852 Following Investor via @HaystackVC focused on seed-stage investments // Venture Partner w/ @LightspeedVP
Jack Altman @jaltma
110K Followers 541 Following Early stage investor at Alt Capital. Ripping some podcasts at https://t.co/6RDbPN5jq6. Founder of Lattice.
Stewart Butterfield @stewart
135K Followers 3K Following Slack boss • Flickr co-founder • Thought loser • ¯\_(ツ)_/¯ • I'm trying my hardest!
parker @pt
26K Followers 2K Following fast cars and slow cookers. mostly hanging out on Threäds now, so don’t expect me to see your stuff here.
M.G. Siegler @mgsiegler
182K Followers 1K Following Writer turned investor turned investor who writes. On the road with @msquinn 👩🏻 & 👧🏼👶🏼 #GoBlue 〽️🍻
Dan Siroker @dsiroker
38K Followers 5K Following Co-Founder & CEO of @LimitlessAI: a personalized AI powered by what you’ve seen, said, or heard. Formerly @RewindAI. Co-Founder of @Optimizely (sold for $300M).
Adam Nash @adamnash
44K Followers 3K Following CEO & Co-Founder @DaffyGiving 🦍 Helping people be more generous, more often. 🙏 Inevitably optimistic. Slightly amusing. Always talking.
Gabor Cselle @gabor
21K Followers 2K Following @OpenAI / Prev: Building @southpkcommons. 3x startup founder (T2, Namo Media, reMail). Director at Google, PM at Twitter. YC W09
Adoulaye Ndour @layeinnoss
0 Followers 51 Following
samuel ladroue @LadroueSam92187
3 Followers 153 Following
Milan Stankovic, PhD @milstan
818 Followers 450 Following Making computers better companions to humans. Co-founder of @LeadbayAI
Evgheni Demcenco @evgheni_D
5 Followers 41 Following Building AI conversational interfaces that turn words into working UIs in real time. Founder & CEO Promptend | Sr. Software Engineer | Ex-Turing (Anthropic)
Yury Radzivonau @radzvonury
2K Followers 127 Following Gameplay / Technical Animator @AnimationINC | Building the future
Tuğra Tengilimoğlu @tugrateng
450 Followers 5K Following Al System Architect & CyberSec Expert & Full Stack Dev & OSINT Analyst & Entrepreneur • Secure contact via Signal: @tugra.01 / via Matrix: @tugrateng:https://t.co/uRKnHJtgkz
Keshav @agg_keshav04
0 Followers 82 Following
Brendan O'Connor @broconnor1
126 Followers 3K Following
Maliyia Kardun @MaliyiaK57789
44 Followers 596 Following Done-For-You Investor Outreach Three-Battle- Tested Playbooks-We Run The Process -You Build-Zero Distraction
poh @poh0903
205 Followers 2K Following
Varunram Ganesh @varunramg
13K Followers 2K Following Building something new. Prev. head of growth @joinwarp
Thomas Stringham @thomasstringham
995 Followers 4K Following Founder & CEO @trainflowai Sparkplug. Rearer.
Widyawati @Widyawati__
437 Followers 3K Following .Tech.Math.Science.TegasHatiDisiplinJiwa.GrowUp.Smart.Positive.Resolution.Natural.PeaceHeart.Bestofallit. ILoveUAllah.swt (اَللهُ)
Emil Indricau @emilindricau
2K Followers 7K Following 🚀 Founder & CEO @DigitalStrada | 3D Digital Twins, immersive tech 🥽 & digital transformation | Deep tech delivery, partnerships, high-impact solutions 💡
sid @siddhantpa1iwal
653 Followers 195 Following co-founder @usebearai (YC F25), prev @usethirdchair (YC X25) @intel @ucla
tofu-3o @infinite_tofu
614 Followers 2K Following 💚er of products and parties | product at @ArrowMarkets | finops at @hexshapeshifter | vegan king @EthBushwick | previously @Cornell & @JetTechnology
suhasdasari.eth @SuhasDasari
10K Followers 2K Following
Bobby @_BobbyTrickett
271 Followers 2K Following Focused being useful by investing in and building solutions to problems. Believe in the Entrepreneur & First Principles-Curiosity
arshya @arshya_7
49 Followers 615 Following
Marvin Beckmann @chiefbeckmann
38 Followers 200 Following ARR Driven Product Management | Money Maker PM™
Kishan Kashyap @KishanKashyap22
518 Followers 3K Following Consumer investments @Z47_VC | Past versions @McKinsey, @IIMAhmedabad, @IITDelhi | Indian Classical Music, Urdu Poetry, Cricket, F1 enthusiast
michael @michaeljauk
63 Followers 731 Following
Jeremiah @JeremiahThinks
28K Followers 4K Following Jeremiah Welch – Multidisciplinary Product Designer Here to help startups make their products stand out
X @ejtufjxbcbvbgns
0 Followers 868 Following
HackerNoon | Learn An... @hackernoon
89K Followers 5K Following how hackers start their afternoons. where 50k+ technologists publish blog posts for 4M+ monthly readers. write your story 👉https://t.co/PGmtSCRFgn
Laura @pero_bueeeno
54 Followers 572 Following
Joshua Ajonye @theajonyejoshua
50 Followers 216 Following CEO at Haze. Just think. Then Work. Later On - You talk.
Varun @Smart_enouf
213 Followers 4K Following 💻 Software Developer | Passionate about coding & innovation | NSUT '24 📚 | AI/Ml enthusiast/Pupil@Codeforces(1213)
Sebastian Scott @_sebastianscott
236 Followers 848 Following Building @getclera // AI talent agent // @sigma2society
Sid @sidxdas
117 Followers 640 Following Building @gridlogs. Creator of @unpavedai Past - Data @energygovuk. ODF24
Bryan Sukidi @bryan_sukidi
12 Followers 225 Following
tourist @Frenetictourist
10 Followers 291 Following
yakub ansari @ansariyakub
444 Followers 609 Following Learning Enthusiast, Hustler, Mobile Geek, Block chain 🔗 fan
Shreyas Doshi @shreyas
299K Followers 1K Following Led a couple of Stripe's most successful products from early days. Prev Twitter, Google, Yahoo. Now advising & teaching. Tweets useful for some—not for everyone
Aaron Levie @levie
2.5M Followers 728 Following ceo @box - unleash the power of your content with AI
Nikita Bier @nikitabier
606K Followers 2K Following head of product @x, advisor @solana, venture partner @lightspeedvp, ex-founder @gasappteam (acq by discord), ex-founder @thetbhapp (acq by facebook)
Suhail @Suhail
388K Followers 509 Following Founder: @mixpanel, next: 🤖🦾🦿 Pizzatarian, programmer, music maker
Garry Tan @garrytan
609K Followers 5K Following President & CEO @ycombinator —Founder @Initialized—designer/engineer who helps founders—San Francisco Dem accelerating the boom loop—e/acc—technology brother
Lenny Rachitsky @lennysan
269K Followers 3K Following Deeply researched product, growth, and career advice | Newsletter: https://t.co/LF0tRFpCeT | Podcast: https://t.co/ZQWNT0iXvJ | Lennybot: https://t.co/TqkCh3hVCa
Sheel Mohnot @pitdesi
177K Followers 3K Following Posting stuff I find interesting. Work: @btv_vc, leading pre/seed rounds of fintech cos. Always up for adventure.
Josh Elman @joshelman
156K Followers 3K Following I have been very lucky to work on or invest in many products I use every day including this one when it had a different name.
Ryan Hoover @rrhoover
305K Followers 2K Following Founder of @ProductHunt. Investor at @WeekendFund. Say hi! 👋🏼
Steven Sinofsky @stevesi
209K Followers 5K Following Subscribe https://t.co/Xm1OaUU8jk • seed investing • writing • ॐ •🙏• I use '—' • tweets saved 90 days • 📷
scott belsky @scottbelsky
141K Followers 2K Following helping the creative world make ideas happen. partner @a24 / founder A24Labs; founder of @Behance, bod @atlassian, author, angel investor, product obsessive.
Daniel Gross @danielgross
119K Followers 0 Following
Dalton Caldwell @daltonc
68K Followers 895 Following Founder and Partner @Standard_Cap, Partner Emeritus @ycombinator
Semil @semil
154K Followers 852 Following Investor via @HaystackVC focused on seed-stage investments // Venture Partner w/ @LightspeedVP
Michael Roberson @michaelhrobersn
530 Followers 586 Following CEO at Semiotic (YC F25) @columbia dropout
Kate Rouch 🛡️ @kate_rouch
11K Followers 2K Following Passionate about using creativity to help founders + their category defining companies win. OpenAI CMO 🚀🌚 Proud mom 👧👶🏼. Opinions = mine.
dharmesh @dharmesh
337K Followers 757 Following Co-founder/CTO, HubSpot. Mission: Help millions grow better. Write articles about startups, scaleups and growth at https://t.co/OOZjd773nV (free subscription).
Karun Kaushik @karunkaushik_
6K Followers 347 Following Co-founder @GetDelve (AI-native compliance) | YC W24 | @ZFellows | Prod | prev. AI @MIT
Windsor Nguyễn @WindsorNguyen
510 Followers 947 Following founder/cto @dedaluslabs (@ycombinator s25) prev @PrincetonCS, @ptonaialignment be a doer, mover of the world
Bryan Berg @berg
986 Followers 173 Following Husband, dad, hacker, music lover, internet infrastructure nerd. Opinions mine.
Cathy Di @itsCathyDi
2K Followers 473 Following Co-founder & CEO @dedaluslabs (YC S25) · @PrincetonCS @ptonaialignment · we build wings so your agents can fly 🪽
Helium @tryhelium
55 Followers 10 Following Get more out of your paywall — automate A/B testing to lift revenue.
Pablo Hansen @thepablohansen
1K Followers 257 Following Building Keystone (YC S25) https://t.co/epiYS9kQR4
Lars Rasmussen @larsras
5K Followers 239 Following Google Maps & Panathēnea Co-Founder / Angel Investor / Kite Surfing Coffee Enthusiast / Proud Husband & Dad
Christopher Golda @golda
4K Followers 933 Following Investor @ApexSpacecraft, @Benchling, @Coinbase, @Stoke_Space, @Supabase, 100+. YC S08.
Andrew Miklas @amiklas
819 Followers 58 Following
Pablo Palafox @pablorpalafox
1K Followers 510 Following Cofounder @ https://t.co/4vMURs609a (Y Combinator S23) Building AI agents for logistics
Javi Palafox @jvpalafox
410 Followers 400 Following Cofounder @ https://t.co/ENSve60RHU (@ycombinator S23) Building AI agents that speak on the phone.
Peter Fenton @peterfenton
49K Followers 1K Following GP @benchmark. Director: @ExaAILabs @mercor_ai @SierraPlatform @ollama @ClickHouseDB @Sorare @sema4ai @airtable @digits @TigerDatabase @LabsCockroach @Docker
yolanda cao @yolandaaacao
1K Followers 50 Following cofounder @_everestai (yc f25) | ai engineers for msp | @netflix, @twitter, @stanford research. when dm, please say in the 1st sentence if you know me
Acquired Podcast @AcquiredFM
74K Followers 137 Following Every company has a story. Learn the playbooks that built the world’s greatest companies — and how you can apply them. Hosted by @gilbert and @djrosent.
Harshita Arora @aroraharshita33
7K Followers 412 Following Visiting Partner at @ycombinator. Co-founder of AtoB (https://t.co/K4GSvO9VhC).
David Haber @dhaber
44K Followers 9K Following General Partner @a16z. Previously: Firmwide Strategy @GoldmanSachs, Founder, CEO @onbondstreet and VC @SparkCapital. @Harvard biochem.
Chetan Puttagunta @chetanp
104K Followers 1K Following @benchmark investing in software at seed/ series a
david @davidaladee
824 Followers 323 Following 22 | getting people interviews @sorcejobs, @fdotinc, prev jpmc, northeastern cs
daniel ajayi @therealdajayi
402 Followers 172 Following 21 | cto @sorcejobs (400k+ downloads), @mit cs, prev citadel securities & nvidia
Niko Bonatsos @bonatsos
19K Followers 2K Following Obsessed with technical founders building products for themselves. Talent is universal, while opportunity is not. Early stage VC.
Matt Riley @matthewriley
549 Followers 846 Following Visiting Partner @ YC. Previously @elastic, co-founder @swiftype.
Eli Brown @iEchoic
468 Followers 192 Following Visiting partner at @ycombinator • founder at @teamguilded • engineer at @instagram, @xbox, @facebook, @roblox • angel investor • Starcraft II grandmaster
Olivia Moore @omooretweets
69K Followers 845 Following Partner @a16z and twin to @venturetwins | Investor in @happyrobot_ai, @krea_ai, @tomaauto, @partiful, Salient, @scribenoteinc & more
Sam Park @samuelp4rk
663 Followers 65 Following dropped out of @harvard | @ycombinator f24 | building @cosmic_dot_new with my brother | i like doing really hard things.
Esha @eshamanideep
551 Followers 249 Following creating “feel the agi” moment for support agents @ GigaML (YC S23)
Calvin French-Owen @calvinfo
15K Followers 495 Following Making things, trail running. Prev: Codex @OpenAI, https://t.co/4qWGncHOAX, co-founder @Segment, @MIT
"Leigh Marie" Braswel... @LM_Braswell
19K Followers 5K Following partner @kleinerperkins; previously investing @foundersfund, first pm & early eng @scale_ai; if you like infra, ML, or poker let's chat
Charlene Wang @hsinleiwang
1K Followers 657 Following CEO & Co-Founder, @EmberCopilotAI. Formerly, @Google Health.
PJ Ace @PJaccetturo
56K Followers 2K Following Viral AI ad madman - CEO of https://t.co/YBc1ZfoyRf - 300M+ Views | Featured in Variety, Hollywood Reporter. || Join my newsletter & 100x views on your AI videos 👇🏼
Jon Chu // Khosla Ven... @heyjchu
8K Followers 499 Following Partner @khoslaventures, founder @ Koality (exited), OG @PalantirTech, @Opendoor, @Docker, ML @facebook
Brad Gerstner @altcap
178K Followers 1K Following Founder - Altimeter Capital. Luck befalls the curious mind. Counting life in days and acts of kindness. Views here personal.
Tim Suzman @TimSuzman
2K Followers 357 Following Managing Partner of Pioneer Fund. We are 500+ Y Combinator alumni investing in the top YC startups. YC S11.
Phosphor Capital @phosphorcap
96 Followers 96 Following Phosphor Capital invests in the top founders in each Y Combinator batch. Typical check size is $100k - $500k.
Shuchao Bi @shuchaobi
13K Followers 691 Following Research @Meta Superintelligence Labs, RL/post-training/agents; Previously Research @OpenAI on multimodal and RL; Opinions are my own.