Data last refreshed: February 16, 2026
Engagement metrics shown below reflect data as of this date. Current X stats may differ.
Recent Posts
20 posts"What is your dating life like in SF?" And other questions that you might not expect from VCs! Read the full list with some suggested answers in the link below https://t.co/2fe22L3MJq
Busy week with @automata_tech raising $45m, Biographica raising $9.5m, @RoboticsUnbox raising $28m and 16 new seed stage companies being released at our latest SF Demo Day https://t.co/OZ5YhO0bBO
Check out the latest startups at @join_ef's SF Demo Day - link to their pitches in the comments https://t.co/U6WrBtZZB3
EF's SF Demo Day 🔥 https://t.co/kDMUvOpH1o
Kicking off @join_ef Demo Day with @matthewclifford and @dwarkesh_sp on stage. https://t.co/DVaeMjKlIs
They joined @join_ef as individuals in Europe, India and the US. Today they pitch the companies they created in San Francisco. It’s Demo Day. Can’t wait. https://t.co/wmVrAkJzHm
After the last @join_ef Demo Day, I asked founders which questions from SF seed investors surprised them the most. Here's the list: What animal would you use to describe your co-founder? What is...
What does it take to raise your seed round in 5 days in SF? Ask Finn of @fleetcraft_aero. He did @join_EF's summer Demo Day and some of SF's best investors chasing him within hours. Count down ...
100 investor conversations in a single week. That's what happens post EF's Demo Day. This Michael, CEO of The Compression Company. After @join_ef's Demo Day in San Francisco, he had ~100 investor...
MASSIVE news for Open Cosmos! Great work @RafelJorda and team. Proud to have you in the @join_ef family. https://t.co/EGayMzNs21
Excited to see what Alexis, Pippa and Zainab build! Congrats on your $4.2m seed led by @SusaVentures
I would never have guessed in 2018 that CreditMint would turn into the powerhouse that is @aztecnetwork But it was always clear that @Zac_Aztec and his team were exceptional. Take his advice - ...
Great read from @dhaber on Firm vs Fund building. https://t.co/pDihQRRQgn https://t.co/X0xyHKmCJC
I recently asked @elonmusk how we can get more exceptional technologists founding companies. His answer: "If you don’t succeed with your first startup it shouldn’t be a catastrophic career-ending ...
https://t.co/6ICAlDfaxR
"There is no power law for the founder" I've worked closely with @jamesrichards2 over the last year as he's built one of the strongest early portfolios at @join_ef. He's now building a cohort of...
Founders in San Francisco raise in days, not weeks. Almost two years ago, I moved @join_EF’s center of gravity to the Bay Area because more and more young founders wanted to start here. Since the...
We crossed $15B of companies created. All of these companies were built by individuals we backed before they even had an idea. That is the core of @join_ef's model: find exceptional individuals e...
What's holding you back from becoming a founder in 2026? My latest @Substack post looks at what it means to build a career as a founder. Link in the comments... https://t.co/udcwzkAQMs
Love this company @becomingbio! Divya and Jack met originally on @join_ef and we're delighted to be an investor in their next totally extraordinary venture
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