Stealth Founders

Discovering tomorrow’s PayPal Mafia Today

3.19.26 - Repeat Founder, ex GC-backed Founding Team, and an IOI Gold Medalist

Mar 18, 2026

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4 min read

3.19.26 - Repeat Founder, ex GC-backed Founding Team, and an IOI Gold Medalist

Posh's Co-Founder, Founding Members of Autoscience, MIT student with IOI gold medals, and key Arc operators

3.18.26 - Founding Operators from Paraform & Hanover Park

Mar 17, 2026

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4 min read

3.18.26 - Founding Operators from Paraform & Hanover Park

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

3.17.26 - 3 Repeat Founders and Lightspeed & GV-backed Founding Engineers

Mar 16, 2026

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5 min read

3.17.26 - 3 Repeat Founders and Lightspeed & GV-backed Founding Engineers

Atlassian-acquired founder on his 4th act, co-founders of Tamarind Bio & DiligenceSquared, Quince’s CRO, and founding engineers from Gushwork & Translucent

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