J.J. Fliegelman @JdotJdotF
Building @FirstHarmonic, former Visiting Partner at @YCombinator and co-founder of @WayUp. Travel addict, armchair linguist, and builder. Joined January 2012-
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I've had 40 meetings already for the YC S25 batch and Demo Day is almost here! Nearly every company I talk to has been great. There is still a little bit of time left to join me before I close my fund at the end of the week. Click here to join me: portal.angellist.com/l/dr/4c3eac9b
I've had 40 meetings already for the YC S25 batch and Demo Day is almost here! Nearly every company I talk to has been great. There is still a little bit of time left to join me before I close my fund at the end of the week. Click here to join me: portal.angellist.com/l/dr/4c3eac9b
Sygaldry is thrilled to be spotlighted by @Inc! Learn more below about CEO and co-founder @ChadRigetti and Sygaldry's novel approach to applying quantum computing to AI. inc.com/claire-cameron…
How well do GPT-5 and Opus 4.1 vibe-code apps? We wanted to find out, so we asked them both to build a full-stack chiptunes app on @instant_db! Here's what they got, and what we learned:
It’s on, I guess
Today, @tryramp raised $500M at a $22.5B valuation. Finance is at an inflection point. How does an industry change? Gradually, then suddenly. Decades where nothing happens; months where decades happen. Now, we’re teaching software to think like people. Exciting times…
On the @every Claude Code webinar right now. I think what I love about Every is how wholesome it is. They're all about the joy of learning and experimenting and improving life with AI. A notable contrast to the fierce competition and fear of falling behind I feel everywhere else.
Investors would generally argue that SAFEs count as equity for QSBS purposes. The new QSBS is much better but not retroactive. Will funds now try to argue that SAFEs DON'T count so that deals from the past few years can convert into QSBS-eligible equity under the new rules?
Excited to be leading my 7th Demo Day Fund for S25! I say this every time, because it's true every time -- YC keeps getting better and better. Watch the webinar or click here! portal.angellist.com/l/dr/052f85fa
Excited to be leading my 7th Demo Day Fund for S25! I say this every time, because it's true every time -- YC keeps getting better and better. Watch the webinar or click here! portal.angellist.com/l/dr/052f85fa
Introducing Circleback Assistant Ask a question and Circleback will agentically search every meeting you have access to and give you an answer with cited sources.
So excited about this! All of the fundamentals of running infrastructure are completely different for AI agents, and empirically layers of software-based orchestration haven’t been cutting it. What’s needed is new infrastructure.
So excited about this! All of the fundamentals of running infrastructure are completely different for AI agents, and empirically layers of software-based orchestration haven’t been cutting it. What’s needed is new infrastructure.
Docusign, it’s over
So proud of these guys! This is the definition of grit — seeing them reinvent and rebuild their engine from scratch at least 3 times until they found the right architecture
So proud of these guys! This is the definition of grit — seeing them reinvent and rebuild their engine from scratch at least 3 times until they found the right architecture
Today, everyone gets an iOS developer... In their pocket 👖📱 For the first time in human history, you can build a mobile app on your phone... And then immediately share it with your friends. No coding, just ideas. Officially on the App Store.
Introducing Blacksmith 2.0 — now unapologetic and just straight-up built different. See all the changes yourself at blacksmith dot sh.
Photo proof we were one of Scale’s earliest customers! Makes me feel like I had at least a minuscule part in this journey :)
Photo proof we were one of Scale’s earliest customers! Makes me feel like I had at least a minuscule part in this journey :)
Today we’re introducing Crosby, a hybrid AI law firm that helps rapidly growing businesses execute faster. Contracts are connection points. They allow companies to transact with one another and create economic growth. But while every aspect of business has sped up, the way we…
There’s never been a team more killing it than this one
There’s never been a team more killing it than this one
*cough* *cough*
Liz Wessel @lizwessel
15K Followers 1K Following Partner at @FirstRound. Formerly: Co-founder/CEO at WayUp, Visiting Partner at @ycombinator, and Angel Investor (Ramp, Scale, Ro, etc). Wife & Mom.
jess lozano schmitt @JessLozanoS
39K Followers 5K Following ~something new~ prev. airplanes @JetBlueVentures | MSc Business Analytics | all opinions are (unfortunately) my own
Anna Alekseev @MissCoder235798
0 Followers 76 Following
Adelyn Stein @devqueen7775
7 Followers 189 Following I am a full stack web developer, I have a diverse skill set that allows me to work on both the client-side and server-side of web applications. From designing
Gio @giovignone
1K Followers 2K Following Founded @octane_security to revolutionize smart contract security. Prev @DukeU @mural_pay
Jiyun Hyo @canermaker
345 Followers 663 Following building AI for 1B people who need compelling data visualizations every week | CEO @givance_ai | 2x exits | 1x asteroid | ex-@StartX/@AlchemistAcc
HedgeFundTracks🇺�... @Gaxo878
41 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
Diane💖 @RohitKu39234500
733 Followers 650 Following Currently living in Miami, passionate about equestrianism🏇 Galloping on the track🏇, pursuing freedom and elegance. 🐎
Khoa Duong @virtualkhoa
194 Followers 588 Following 17 @autumnpricing | prev https://t.co/hiNnjjrx8e @usehaven investment banking
vansh taneja @vansht567
775 Followers 6K Following finding alpha in people and technology, founder in past life - investing in AI infra/ data/ RL/ vertical apps
Voucea @Voucea5900
15 Followers 616 Following
cattlecapital @CattleCapital
246 Followers 1K Following capital deployment and curiosity. compiling for myself, scroll at your own risk
Mike Keating @yzeeklabs
92 Followers 728 Following building the last mile of superintelligence @enhance_labs
Tinah Hong (🐟) @tinahhong
676 Followers 434 Following building https://t.co/lgGH9L8Duv | prev cs @mit @coframe_ai @stripe @microsoft | @a16z scout
Dibas Dauliya @dibasdauliya33
84 Followers 609 Following
Maiya Jacobson @JacobsonMa39647
34 Followers 917 Following
Casper B. Johansen @CasperbJohansen
4K Followers 2K Following Father to my precious Jewel Hannah. Construction Supervisor and remodelling. Great analyst and intuitive Crypto brand ambassador. 香港製造加密貨幣
Odreraupi @Odreraupi08193
29 Followers 1K Following
Jorge @jorge_sfo
567 Followers 1K Following Building cross-chain magic at @Phantom 👻 | Previously @FalconXNetwork @BitGo | Multichain or bust
S&M @Eng. @SnM4ST
956 Followers 4K Following Çok bilmiş ama hiç birşey bilememiş…Tek tarafı doğruluk, hiçkimseci!! Ne mutlu insanım diyebilene!!!
Ashu Desai @DesaiAshu
2K Followers 300 Following Coach, Engineer, Musician Alphabet, YC, Make School
Rohit Maheswaran @rohitmah
360 Followers 3K Following Enabling privacy-first marketing measurement that growing brands can trust 📊 ✦ Building @lifesightdotio ✦ Looking to work with growing digital native brands🚀
Agent 415 @Gurifying
602 Followers 627 Following avgeek, activist, traveler. sr.product mgr (available). I take an idea from paper/idea to MVP (0 to 1) focused on inception phase. mobile/web. can send resume
Mitja Lapajne @mitjalapajne
53 Followers 611 Following
Jackie Xu @JShoee
7K Followers 2K Following Founder & CEO of Xu Talent. Former Head of Talent at @KleinerPerkins. Alum @Twitter, @Facebook, @GoldmanSachs, and @carnegiemellon. SF native. Somm 🍷.
Preetham Gaddam @BostonAngel2021
118 Followers 1K Following I'm an angel investor, dog lover and dad of three kids. I invest in startups in AI & digital productivity.
John Joh @johnjoh
256 Followers 1K Following
Nathan Anna @Lucas4beats
706 Followers 3K Following Patriot 🇺🇸, reject porn 🚫🖥️ 🚫I enjoy skiing, running, traveling, and food
dolev @dolevalgam
919 Followers 3K Following ai infra founder | prev ai agents at scale @ipsos | built @idf first zero‑latency ai compute platform
Arjun @segmenta
647 Followers 2K Following Building RowBoat Labs (YC S24) · 2x Founder · Worked with LLMs before they were large · Ex-Coinbase · Ex-Twitter
Ubaid @ubaidmume
330 Followers 7K Following Students use AI for answers but don't actually learn - I'm fixing that
Brian D. Evans @BrianDEvans
1.3M Followers 19K Following Inc. 500 Entrepreneur | Investor: Tech, Web3, Blockchain, AI, Gaming @BDEVentures | Biohacking Enthusiast
Eriiick @AI_vs_ERICK
419 Followers 3K Following I'm into AI, tech, and VC investing. ~ I help tech people use pro English. 🏆
Tushar Kumar @_prachand_
899 Followers 7K Following SDE 2 @SchneiderElec • Threatre, shuttler, Football, Philosophy, music ✨ • Patna ✈️ Noida 🚀 Katra ✈️ Bangalore
Vijay @imvijaymode
601 Followers 5K Following One Rule: Hunt or Be Hunted | Won @AvaxTeam1'25 | Won @EthBangkok'24
Razy @Raya100100
3 Followers 2K Following
Miraj Shafek @MirajShafek
392 Followers 986 Following 17, building @medvisual_co & machines | 1x Hackathon | yc applicant | read my blogs
Sai @SaiSriharshaS
331 Followers 3K Following AI Enthusiast. Entrepreneur, Startup, Python Lover. Faith, Family and Football.
Travaille @yellow_king24
159 Followers 6K Following
Marc Andreessen 🇺�... @pmarca
1.9M Followers 27K Following Yes, I can see some risk that your threat to jail Internet company executives for not censorsing aggressively enough could backfire.
Paul Graham @paulg
2.1M Followers 776 Following
Garry Tan @garrytan
602K Followers 5K Following President & CEO @ycombinator —Founder @Initialized—designer/engineer who helps founders—San Francisco Dem accelerating the boom loop—e/acc—technology brother
@levelsio @levelsio
721K Followers 2K Following 📸https://t.co/lAyoqmSBRX $145K/m 🛰https://t.co/ZHSvI2wjyW $40K/m 🏡https://t.co/1oqUgfD6CZ $35K/m 🌍https://t.co/UXK5AFqCaQ $14K/m 👙https://t.co/RyXpqGuFM3 $14K/m 💾https://t.co/M1hEUBAynC $6K/m
Steve Schlafman 🐌 @schlaf
91K Followers 2K Following Founder of Downshift. Coach who helps ambitious professionals recalibrate their relationship with work to be more energizing and authentic.
Jane Manchun Wong @wongmjane
169K Followers 3K Following “The woman scooping Silicon Valley” — BBC, Security Researcher / Technology Blogger
Liz Wessel @lizwessel
15K Followers 1K Following Partner at @FirstRound. Formerly: Co-founder/CEO at WayUp, Visiting Partner at @ycombinator, and Angel Investor (Ramp, Scale, Ro, etc). Wife & Mom.
Ankur Nagpal @ankurnagpal
116K Followers 982 Following Founder of @carryhq_. Founded @teachable (sold to @hotmart). On a mission to help people be better with money. Not financial advice, views are personal.
delian @zebulgar
223K Followers 905 Following space drugs and arms @vardaspace | village idiot/partner @foundersfund
Tweets from Zach Wein... @zachweinberg
74K Followers 422 Following I do healthcare & tech stuff. Founder of https://t.co/uJTXjZVNJt, Flatiron Health (acq @Roche~$2b) & Invite Media (acq @Google~$81m). Invest @ https://t.co/2D00yW2Be4
Josh Elman @joshelman
155K 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.
Raunak Chowdhuri @raunakdoesdev
4K Followers 850 Following I’m into open science, elegant software architecture, and well-crafted interfaces. Building https://t.co/0GX1wFmPoU
Mia Mabanta @miamabanta
4K Followers 469 Following Building @firstharmonic. Ex YC, fintech founder, media biz person, policy research.
First Harmonic @firstharmonic
179 Followers 17 Following We are early stage investors who run a go-to-market program for founders.
Cory Levy @cory
35K Followers 4K Following entrepreneur and early stage investor | Z Fellows @zfellows
Lemon Slice @LemonSliceAI
4K Followers 63 Following Generate expressive, talking characters using our video foundation model. YC W24 (formerly Infinity AI)
Arfur Rock @ArfurRock
34K Followers 3K Following anon GP at your favorite multi-stage VC // OS intel for the private markets
kache @yacineMTB
196K Followers 6K Following canadian startup founder. prev eng @ x, stripe. yacine_kv on insta i make my memes with https://t.co/pWRBfY8kn2 - I write a subscriber only blog. Subscribe!
Jason Leow @jasonleowsg
16K Followers 555 Following Indie hacker, solopreneur building a portfolio of products & SaaS: 🔌 https://t.co/rLuxXYrO8V 🟩 https://t.co/f93dEmKKZU 📋 https://t.co/zmLERuwToj ✍️ https://t.co/MW9HQLABxB 🏡 https://t.co/EtGIs3qLMx
Martin Shkreli @MartinShkreli
310K Followers 8K Following https://t.co/vJE5wyFDrX https://t.co/GUy99qMi2O - join our Discord! e/acc
Blaine Anderson • M... @datingbyblaine
25K Followers 343 Following Matchmaker & Dating Coach For Men. 3,000+ happy clients. As seen in NYT, WSJ, Shark Tank. If you're single and ready to get unstuck, let's chat 🤠
Chris Arnade 🐢🐱... @Chris_arnade
92K Followers 3K Following Walking the world, one city at a time. I like turtles, cats, & buses. Subscribe to my Substack: https://t.co/j6mE4TVfBl
Tony Dang @dangtony98
1K Followers 581 Following 26 | Co-founder, Dreamer @Infisical | @ycombinator | @cornell
Charlene Wang @hsinleiwang
1K Followers 651 Following CEO & Co-Founder, @EmberCopilotAI. Formerly, @Google Health.
Bryan Johnson @bryan_johnson
646K Followers 759 Following Conquering death will be humanity’s greatest achievement.
Zineb Riboua @zriboua
48K Followers 3K Following personal account - moroccan berber - research @hudsoninstitute - contact: [email protected] - building @chinainmena - blog: https://t.co/vChPmZX9Gw
Blake Scholl 🛫 @bscholl
106K Followers 2K Following Founder/CEO @boomaero. Life is short so if you want to do a lot, it helps to move fast.
cat @catheryn_li
3K Followers 707 Following building voice AI agents @simpleailab (yc s24). prev @ycombinator @instagram @mit
The Secret CFO @SecretCFO
128K Followers 508 Following Sharing real world insights as the CFO of a multi-billion dollar company. Opinions, not advice.
di qi @diqitally
2K Followers 805 Following cofounder @lanterndb (yc w24) prev @ycombinator @meta @princeton
madeline garfinkle @maddiegarfinkle
265 Followers 313 Following
Nuseir Yassin @nasdaily
150K Followers 858 Following founder of Nas Daily & https://t.co/FGp8btxa2q: the cheapest and fastest way to start a business with AI
Nimi Katragadda @nkatragadda
4K Followers 3K Following Partner @BoxGroup • Formerly @Google and @JPMorgan • Studied @HarvardHBS and @Harvard
Rachel Moiselle @RachelMoiselle
36K Followers 4K Following PhD candidate @tcddublin as part of the @SignONEU project. Writer.
zach sims @zsims
17K Followers 3K Following exploring what's next. angel investor. former co-founder and ceo of @codecademy the easiest way to learn to code.
Dan Go @FitFounder
798K Followers 481 Following Health Performance Coach To Entrepreneurs | Tweets on Fat Loss and Optimizing The Body | On a Mission to Transform A Billion Lives Through Health and Fitness
Christian | Import Ex... @NoRiskNoParty
19K Followers 746 Following Roofing company owner in Miami 🇺🇸🌴 Talking import/export daily | Currently selling on Walmart, Home Depot, Amazon & Alibaba. 👷🏼♂️
Coffee with One @coffeewithone
4K Followers 2K Following co-founder & ceo @octolane_ai (YC W24) - Self-Driving AI CRM that writes, updates, and moves deals | [email protected] | prev. @DukeU | https://t.co/o7B2137b6b
Jenny He @jennydhe
5K Followers 5K Following Founder & General Partner @Position_VC | I invest in startups and help them tell their stories. Previously @expa @square @microsoft
Ben 🤖 @benfryc
22K Followers 2K Following 3D / Motion / Creative Dir / k•no•b•1 @work_louder - https://t.co/3NWxhHDRNF / https://t.co/nVzqIekDZQ / 3D & Video @framer - @wealthsimple @figma @loom @google
Nancy Pelosi Stock Tr... @PelosiTracker_
1.2M Followers 518 Following Highlighting Politicians' trades so we can invest alongside Goal: get them banned from trading. $800,000,000 invested on @joinautopilot_ so far
unusual_whales @unusual_whales
2.5M Followers 2K Following Stocks/Options/Crypto/Market News + Tools. Not advice Get a bonus opening a new tastytrade account: https://t.co/wGf2ZdlXpw Discord: https://t.co/0xJ9e0ZYYG More: https://t.co/nsxZlPV0pC
Devon ☀️ @devonzuegel
59K Followers 1K Following I've gone to look for myself. If I return before I get back, please ask me to wait. Prev @GitHub @NotionHQ @Affirm @StanfordReview. Building a modern Chautauqua
Bill Clerico @billclerico
10K Followers 2K Following Working on wildfire & disaster resilience @convectivecap & @redskysummit. Early investor in 75+ companies. Former CEO @wepay (acq @jpmorgan)
Brandon Hall @bhallcpa
20K Followers 310 Following CEO @therecpa - tax planning and accounting services for real estate investors and SMB owners.Trends for United States
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