Repeat Founder

2.27.26 - Top Founders of the Week

Co-Founders of Cursor, Freeform, Fluidstack, Orum; creators of Stripe Checkout/Atlas/Connect/Dashboard; Playco CTO & Statsig founding engineer

2.26.26 - The Stripe Mafia (Pt. 2)

Stripe-acquired repeat founder, CISO, Head of AI Development; Notion's 5th engineer; Anthropic and OpenAI alums; and 10+ repeat founders backed by Index, GC, and YC

2.25.26 - The Stripe Mafia

GM for Connect & Global Payments (ran ~90% of Stripe P&L); Head of Applied ML; creators of Checkout, Atlas, Dashboard & Corporate Card; Atlas partnerships lead; Billing VP Eng; and founders behind Clearbit, Orum, Cocoon, Bouncer, Aqueduct, Payable and Cursor

2.23.26 - Fluidstack Founders, IQM’s CFO & a Freeform Co-Founder from SpaceX

Co-Founder & President @ Freeform, Co-Founders @ Fluidstack, SVP Product @ Cross River (GC-backed Founder of Seed); 0→€200M+ finance lead @ IQM

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

Kavak co-founders, Legora’s founding SWE and country heads, a Vestwell co-founder in stealth, and Stripe/Figma managers building in stablecoins.

2.17.26 - PolyAI’s COO, a Repeat YC Founder, and Senior Talent from Braintrust & Temporal

PolyAI’s COO and Head of ML, Temporal’s product and engineering leads, Braintrust's Head of Biz Ops, plus a 7-year DeepMind researcher now building in robotics.

2.15.26 Top Founders of the Week

2.12.26 - The Databricks Mafia

Acquired founders, MosaicML leaders, Spark architects, and MLflow authors building across security, inference, and infrastructure

2.11.26 - Repeat Greylock and Founders Fund-Backed Founders Exploring Second Acts

Spinouts from Monaco and Bretton, Twilio Co-Founder free agents, and Garner data leadership building in AI, robotics, and healthcare.

2.10.26 - The Harvey & Runway Mafias

Sequoia-backed repeat founders leaving Harvey and founding members of Runway, Cohere, and Pika

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

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

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.

2.3.26 - The Waymo Mafia

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

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.

1.22.26 - Cosmos Founder Starting Anew and The Anchorage & BitGo Mafias

A Cosmos co-founder, Anchorage founding engineers, and repeat founders within BitGo.

1.21.26 - The Zipline and Baseten Mafias

Repeat founders and founding engineers from Zipline, plus Baseten engineers and sales team

1.16.26 Top Founders of the Week

Early product engineers and MTS from Anthropic, a Chief of Staff from SkildAI, the first product hire from Discord, and AI-chip engineers spinning out of Etched and Cerebras.

1.15.26 - The Cerebras Mafia

Principal MTS and research scientists from Cerebras, a Chief of Staff from SkildAI, technical PM leadership from Alpaca, and early engineers and interns spinning out of Harmonic.

1.13.26 - The Anthropic Mafia

Anthropic’s early product, research, and MTS talent, plus repeat founders building across AI infrastructure, policy, and safety.

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.

1.9.26 - Top Founders of the Week

Groq and Motive co-founders, founding MTS from xAI, senior architects from Cyera, and an early technical hire from LMArena.