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Accel

9.6.26 - The Cognition Mafia
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A16Z

9.6.26 - The Cognition Mafia

Cognition’s engineers, researchers and deployed AI talent spinning out, including repeat founders, xAI MTS alumni, and early builders from Windsurf, DeepMind, Kalshi and Fizz.
8.11.26 - The Whatnot Mafia & Cambridge Aerospace Founding Talent
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Lightspeed

8.11.26 - The Whatnot Mafia & Cambridge Aerospace Founding Talent

Acquired founders, OpenAI and early growth talent from Whatnot building again, alongside founding-era engineers leaving $3.4B Cambridge Aerospace.
6.17.26 - The Cursor Mafia
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Founder

6.17.26 - The Cursor Mafia

6.11.26 - The Mistral Mafia
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Mistral

6.11.26 - The Mistral Mafia

Mistral's former Chief Business Officer, researchers from OpenAI and DeepMind, a healthcare AI founder from Morpho, and repeat engineering leaders behind multiple acquisitions
5.13.26 - The Vapi Mafia & Fractile Founders
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Fractile

5.13.26 - The Vapi Mafia & Fractile Founders

Vapi founding and senior engineering talent, plus AI hardware and chip-design founders from Fractile
5.6.26 - The Enter Mafia, Suno’s Co-Founder, and Vori’s Founding Engineer
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Menlo Ventures

5.6.26 - The Enter Mafia, Suno’s Co-Founder, and Vori’s Founding Engineer

Suno’s co-founder, Enter founding team and AI deployment leaders, Vori’s founding engineer, and a former YC founder from Nova Intelligence
4.21.26 - The Cursor Mafia
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Cursor

4.21.26 - The Cursor Mafia

Cursor co-founder and early Cursor engineers starting new companies, plus Loop’s former COO and a Foresight founding engineer
3.26.26 - The Shield AI Mafia
Members Only
A16Z

3.26.26 - The Shield AI Mafia

Shield AI’s COO turned founder, Anduril’s former Chief Engineer, Tesla Cybertruck lead and Mach Industries build head, Founders Fund/Index-backed founding ML engineer, and a $100M Felicis-backed founder transitioning out of CEO
2.20.26 - Top Founders of the Week
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Sante

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
2.18.26 - The Kavak and Legora Mafias
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Founding Engineer

2.18.26 - The Kavak and Legora Mafias

Kavak co-founders, Legora’s founding SWE and country heads, a Vestwell co-founder in stealth, and Stripe/Figma managers building in stablecoins.
2.6.26 - Top Founders of the Week
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Autonomous Driving

2.6.26 - Top Founders of the Week

12 Repeat Founders, Co-Creator of Veo, and Founding Engineer of Parallel Web Systems
2.5.26 - Repeat Founders Backed by Khosla & Bessemer in Stealth
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Crypto

2.5.26 - Repeat Founders Backed by Khosla & Bessemer in Stealth

Former Drift, Turnstile, Machina Labs, Second Measure founders, alongside operators from Goodfire, TRM Labs, and Fibr