# Winston Chi

> Winston Chi is the co-founder and CEO of NOSO Labs, a Y Combinator (Summer 2025) startup building AI agents that help home-services field technicians diagnose problems, close sales, and handle paperwork. A two-time founder focused on vertical AI, he previously started Butter Technologies, a food-wholesale software platform acquired by GrubMarket in 2024. With NOSO he is aiming the same playbook at the trades, starting with HVAC.

- **Role:** Co-Founder & CEO at NOSO Labs
- **Organizations:** NOSO Labs, Butter Technologies, GrubMarket, Y Combinator
- **Nationality:** American
- **Education:** Tufts University
- **Known for:** Two-time startup founder focused on vertical AI, Founded Butter Technologies (2020), acquired by GrubMarket in 2024, Co-founded NOSO Labs and got into Y Combinator (Summer 2025)

## Career timeline

- **2020** — Co-founded Butter Technologies, an AI-powered software platform for food wholesale distributors
- **2024** — Butter Technologies acquired by GrubMarket to strengthen its AI-powered supply-chain software
- **2025** — Co-founded NOSO Labs with Alex Xi; accepted into Y Combinator's Summer 2025 batch
- **2025** — NOSO Labs raised a $130K seed round and became a platinum sponsor of the Bring Back the Trades Skills Expo at Gillette Stadium

## Achievements

- Two-time startup founder focused on vertical AI
- Founded Butter Technologies (2020), acquired by GrubMarket in 2024
- Co-founded NOSO Labs and got into Y Combinator (Summer 2025)
- Built NOSO's AI agents on a 20-terabyte library of equipment manuals, integrated with ServiceTitan and Housecall Pro
- Made NOSO Labs a platinum sponsor of a national trade-skills expo supporting students entering the trades

## Latest updates

- **2025-08** — NOSO Labs closed a $130K seed round as part of its Y Combinator Summer 2025 batch
- **2025-10** — NOSO Labs signed on as platinum sponsor of the Bring Back the Trades Skills Expo at Gillette Stadium

## Links

- Website: https://noso.so
- LinkedIn: https://www.linkedin.com/in/lwchi/

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Profile page: https://yespress.io/winston-chi
Published by YesPress — https://yespress.io
Last updated: 2026-07-31