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3.30.26 - The Physical Intelligence & Mistral Mafia
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Early Team

3.30.26 - The Physical Intelligence & Mistral Mafia

Founding MTS @ Physical Intelligence, Mistral Founding Member, Anduril early SF engineer, Mistral researchers from DeepMind, OpenAI, and Meta FAIR (Llama), and a founding team member from Bessemer-backed Sett
3.23.26 - The Kalshi Mafia
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Kalshi

3.23.26 - The Kalshi Mafia

Kalshi’s 1st FTE, founding engineers behind the core trading product, former Chief of Staff, and a YC-backed repeat founder.
3.9.26 - The Anduril Mafia
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Founders Fund

3.9.26 - The Anduril Mafia

Anduril Chief Engineer, Mach Industries CTO, Founding MTS at Physical Intelligence, and other Anduril engineering leaders from SpaceX, CIA, and Uber ATG
3.5.26 - The Mach Industries Mafia
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Sequoia

3.5.26 - The Mach Industries Mafia

Former CTO, President, CISO, Founding Aerospace Engineer and other builders from Mach Industries.
3.3.26 - The Plaid Mafia
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Repeat Founder

3.3.26 - The Plaid Mafia

$450M of Plaid exits, repeat founders backed by 8VC, Menlo & Abstract, two $90M+ executives, a YC W26 AI infra founder, and Plaid leaders across ML, Credit Engineering & Financial Products
2.24.26 - The Stripe Mafia
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Sequoia

2.24.26 - The Stripe Mafia

20+ repeat founders, Stripe's GM for Connect & Global Payments (ran 90% of P&L); Head of Applied ML; creators of Checkout, Atlas, Dashboard & Corporate Card
2.12.26 - The Databricks Mafia
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AI Infrastructure

2.12.26 - The Databricks Mafia

Acquired founders, MosaicML leaders, Spark architects, and MLflow authors building across security, inference, and infrastructure
2.10.26 - The Harvey & Runway Mafias
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Harvey

2.10.26 - The Harvey & Runway Mafias

Sequoia-backed repeat founders leaving Harvey and founding members of Runway, Cohere, and Pika
2.3.26 - The Waymo Mafia
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Founder

2.3.26 - The Waymo Mafia

Waymo’s Co-Founder, Senior Autonomy, Perception, and Systems Leaders
1.26.26 - The Brex Mafia
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Brex

1.26.26 - The Brex Mafia

Brex’s co-founder, CRO, founding engineers, first hires, and senior product, infra, data, and security leaders now building in stealth.
1.12.26 - The Discord Mafia
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Crypto

1.12.26 - The Discord Mafia

Discord’s founder transitioning to the board, its first product hire, senior product, data, and business operators, plus early PM and engineering talent spinning out post-IPO filing.