Greylock - Startup Mafias

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Snorkel AI

21 Sep 2026

9.21.26 - The Snorkel AI Mafia

Together AI’s Founding VP of Engineering, ex-OpenAI & DeepMind engineers, and Snorkel’s founding product team spinning out across AI infrastructure, healthcare, sales and design.

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Top Founders of the Week

18 Sep 2026

9.18.26 - Top Founders of the Week

ElevenLabs’ Voice Agents Lead, Greylock-Backed Physical AI Co-Founder, Open-Weight AI Unicorn Co-Founder, Rainmaker’s 1st FTE & Chief Scientist, and Thatch’s 15th FTE

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Greylock

15 Sep 2026

9.15.26- Greylock-Backed Physical AI Co-Founder + Factory AI Infra Head & Savvy Wealth Founding Engineers

Antioch’s co-founder, Factory’s AI infrastructure and technical talent, Savvy Wealth’s founding and 6th engineers, plus early Clarion and Manus builders launching newcos.

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Top Founders of the Week

08 Jun 2026

6.8.26 - Top Founders of the Week

The co-founders of Luma AI, Liftoff, Basis, Lila Sciences, Forage, Impulse Space's COO and first technical hire, and founders acquired by DriveNets

6.5.26 - 9 Figure Repeat Founder, Founders of Opals, and Zyphra Engineering Executives

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Greylock

05 Jun 2026

6.5.26 - 9 Figure Repeat Founder, Founders of Opals, and Zyphra Engineering Executives

A $133M founder, Opal's co-founder, CTO, and CPO, engineering executives from Zyphra, and builders behind exits to Airwallex, Harness, and Salesforce

3.18.26 - Founding Operators from Paraform & Hanover Park

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Scale

18 Mar 2026

3.18.26 - Founding Operators from Paraform & Hanover Park

Paraform & Hanover Park founding operators, and early builders across Axiamatic, Grow Therapy, and Andromeda

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Sante

20 Feb 2026

2.20.26 - Top Founders of the Week

Head of ML at PolyAI, Stash’s co-founder post-sale, Lily Robotics and Jyve repeat founders, and Grafana’s post-acquisition builders

2.17.26 - PolyAI’s COO, a Repeat YC Founder, and Senior Talent from Braintrust & Temporal

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Neara

17 Feb 2026

2.17.26 - PolyAI’s COO, a Repeat YC Founder, and Senior Talent from Braintrust & Temporal

PolyAI’s COO and Head of ML, Temporal’s product and engineering leads, Braintrust's Head of Biz Ops, plus a 7-year DeepMind researcher now building in robotics.