Stealth Founders

Discovering tomorrow’s PayPal Mafia Today

Founding Engineer

+17

2.4.26 - Repeat Founders with $200M Exit, USV-Backed Founder, and Celestial AI's CTO

Feb 3, 2026

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5 min read

2.4.26 - Repeat Founders with $200M Exit, USV-Backed Founder, and Celestial AI's CTO

Repeat founders from the Day AI founder’s prior startup, a USV-backed founder, Celestial AI's CTO, and early builders from Uptool, Kindred, and Claroty.

Founder

Feb 2, 2026

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7 min read

2.3.26 - The Waymo Mafia

Waymo’s Co-Founder, Senior Autonomy, Perception, and Systems Leaders

Frontier AI

+14

2.2.26 - Poetiq + Kaia Health Founders and Founding Engineers from Fieldguide, Concourse, and RobCo

Feb 1, 2026

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5 min read

2.2.26 - Poetiq + Kaia Health Founders and Founding Engineers from Fieldguide, Concourse, and RobCo

Poetiq’s co-founder, Kaia Health’s founding team post-acquisition, and early engineers from Fieldguide, Concourse, and RobCo.

Rogo

Jan 29, 2026

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5 min read

1.30.26 - Top Founders of the Week

Brex’s co-founder, founding engineers, and first MLE; Farcaster’s co-founders post-acquisition; and early product and engineering leaders from Rogo, Phia, and Waabi.

Mine

Jan 28, 2026

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6 min read

1.29.26 - The Farcaster Mafia + Early Members from Outtake, Zocks, and Mine

Farcaster’s co-founders and early engineers post-acquisition, plus first hires and senior operators spinning out of Outtake, Decagon, Zocks, and Mine.

Rogo