Stealth Founders

Discovering tomorrow’s PayPal Mafia Today

3.16.26 - Unicorn Founder, Benchmark & GC-Backed Founding Engineers, and Early Uber Operators

Mar 15, 2026

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5 min read

3.16.26 - Unicorn Founder, Benchmark & GC-Backed Founding Engineers, and Early Uber Operators

Founding engineers from Sunday & Rox, Uber’s 50th FTE and Jump COO, and Factorial’s co-founder

3.12.26 - The Replit & Forethought Mafias

Mar 13, 2026

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6 min read

3.12.26 - The Replit & Forethought Mafias

Replit’s 16th FTE, 1st designer, and Head of AI; Forethought’s founding engineer and co-founder

Replit

Mar 12, 2026

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5 min read

3.13.26 - Top Founders of the Week

Mach Industries CTO, Anduril Chief Engineer, Founding MTS @ Physical Intelligence, a 14-year SpaceX Director, and other repeat founders and founding engineers

Founding Engineer

3.11.26 - Founding Members from Vast, Evervault, Rhoda, and Nitra

Mar 11, 2026

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5 min read

3.11.26 - Founding Members from Vast, Evervault, Rhoda, and Nitra

A Starlink Director, Vast’s first employee, Wayve’s Head of Simulation, and early builders from Rhoda AI and Evervault

Anduril

Mar 10, 2026

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7 min read

3.10.26 - The Anduril Mafia (Pt. 2)

Anduril’s Head of Mechanical Engineering, a 14-year SpaceX Director, Chief of Staff to the DoD Deputy Secretary, a YC founder exit, and early Anduril engineering leaders

Anduril

Mar 8, 2026

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6 min read

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

Founding Engineer

+11

Mar 6, 2026

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6 min read

3.6.26 - Top Founders of the Week

Repeat founders with $450M in Plaid exits, Mach CTO, Nylas founders ($160M raised), WorkOS-acquired founder, Flux CTO, and Encord's Co-Founder & Founding Engineer

Founding Engineer

Mar 4, 2026

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4 min read

3.5.26 - The Mach Industries Mafia

Former CTO, President, CISO, Founding Aerospace Engineer and other builders from Mach Industries.

Founding Engineer

+10

3.4.26 - Nylas Co-Founders and WorkOS Builders

Mar 3, 2026

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5 min read

3.4.26 - Nylas Co-Founders and WorkOS Builders

Nylas Co-Founders ($160M raised), WorkOS & Aurora-acquired founders, YC W26 AI founder, and founding engineers from 14.ai & Smack Technologies