Stealth Founders

10.21.26 - The Ramp Mafia Pt. 3

Ramp’s 1st mobile engineer, Head of Applied AI, cloud infrastructure director, and early product and engineering talent spinning out — including founders of Cohere.io and Buyer, both acquired by Ramp.

10.20.26 - The Ramp Mafia Pt. 2

Ramp’s engineering directors, staff engineers, enterprise platform and business operations leaders spinning out, alongside repeat founders building AI agents, developer tools, and YC-backed startups.

10.19.26 - The Ramp Mafia

Ramp’s founding engineer, 16th and 70th employees, engineering directors, founding Applied AI talent, and repeat founders spinning out across AI, fintech, and life sciences.

10.16.26 - Top Founders of the Week

Reflection AI’s founding team, research leader, COO and Chief of Staff, alongside Character.AI’s Chief Architect, multimodal researcher and founding talent, including an OpenAI alum shared by both companies.

10.15.26 - Albert Invent Co-Founder, Stuut CTO + Founding Engineers from Abby Care, Dream Labs & OuterSignal

Albert Invent’s co-founder & CTO, Stuut’s former CTO, Abby Care’s founding engineer and engineering director, plus early technical talent from Moondream, Dream Labs and OuterSignal spinning out.

10.14.26 - The Decagon Mafia

10.13.26 - The Character AI Mafia

Character.AI’s founding team, Chief Architect, Head of Research and Head of Product Engineering, alongside stealth and repeat founders.

10.12.26 - The Reflection AI Mafia

Reflection AI’s former COO (ex-Wiz CSO), Chief of Staff, and Stanford/DeepMind research leader spinning out, alongside early technical talent from a16z-backed Preference Model.

10.9.26 - Top Founders of the Week

Isomorphic Labs’ former CTO and founding research engineer, Valon’s Co-Founder & CPO and CTO, Arena’s OpenAI and Anthropic alumni, Nous Research founding member, and Spiko’s former CTO building again.