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Congrats to the team at Nexxa! (SR005)

Big news: Limy just raised a $10M Seed Round Led by Flybridge, with participation from a16z speedrun. Over the past 10 months, we’ve been heads down building Limy to build the infrastructure for brands to win in AI search and to convert their business model from B2C —> B2A

Energizing kickoff for the next cohort of Speedrun. Let’s build!

Today, I’m excited to announce that Sentra has raised a $5M Seed. This round is led by a16z a16z speedrun 🧊 and Together, with participation from Parable, shaad khan, Precursor Ventures, Inovia Capital, Backwards Capital, and Antigravity. We also have some of the best founders and

Feels good to be back in San Francisco. SR006 kicks off this week.

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Brilliant session from Jack Altman on the Lattice journey and the current state of building.

NEW: Clair introduces the first noninvasive, continuous hormone tracker. • Tracks estrogen, progesterone, LH, FSH, and PdG in real time • Uses wrist-based biosignals instead of blood draws or test strips • Confirms ovulation by detecting post-ovulation progesterone rise •

Great a16z speedrun 🧊 fireside chat with OpenAI VP Science Kevin Weil 🇺🇸 & Sam Shank!

Great opportunity for any product-led growth experts looking to work with the a16z speedrun 🧊 team and our amazing cohort of founders. Reach out if interested.

Emily Bennett — Investor at a16z — on Venture with Grace, sharing what real innovation actually looks like. Episode is live now #AI #Innovation #VentureCapital #CompanyBuilding

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We're hiring a partner on our a16z speedrun 🧊 investment team at Andreessen Horowitz. If you're technical, product-focused, and love working hands-on with founders at the earliest stages, please reach out. Send a direct note or email [email protected] with your Linkedin and

a16z Speedrun Alpha is for the pre-idea, pre-team, pre-everything founder. If you’re building agents/apps every night and weekend… thinking about quitting your job or school… but need time (and a push) to actually start - this is for you. • $20K equity-free to start building