# Charlie Warren

> Charlie Warren is a startup founder-turned-investor who built Convex, a commercial services software platform, from a garage bootstrapping sprint through $60M in venture funding and a YC Top Companies nod, before selling to ServiceTitan in 2024. Today he serves as a Visiting Partner at Y Combinator, bringing hard-won founder experience to the next wave of vertical SaaS builders. His unusual arc - Goldman Sachs to energy policy to enterprise software - gives him a perspective on markets that most investors simply don't have.

- **Role:** Visiting Partner at Y Combinator
- **Organizations:** Y Combinator, ServiceTitan, Convex, Section B Capital
- **From:** Detroit, United States
- **Nationality:** American
- **Education:** A.B. (Magna Cum Laude, Phi Beta Kappa), Bowdoin College, Master of Public Administration (Electricity Market Design & Energy Efficiency), Harvard University, MBA (Energy, Entrepreneurship & Finance), Massachusetts Institute of Technology (MIT)
- **Known for:** Co-founded Convex and raised $60M total from top-tier VCs including Emergence Capital, Fifth Wall, and GGV, Built Atlas, a map-based sales intelligence platform serving the commercial HVAC, security, elevator, fire/life safety, and solar industries, Grew Convex to $11M in annual revenue with a 55-person team

## Career timeline

- **2005-2010** — Goldman Sachs, Associate in Technology, Media & Telecom sector
- **2010-2013** — Council on Foreign Relations, Research Associate in Energy
- **2013-2016** — Co-founded Route, a distribution and logistics startup
- **2017** — Co-founded Convex with Blake Meulmester; bootstrapped from a garage for six months
- **2019** — Convex entered Y Combinator W19 Batch and YC Growth Program
- **2020** — Convex raised $17M Series A led by Emergence Capital, with YC, 1984 Ventures participation
- **2021** — Convex raised $39M Series B led by Fifth Wall, Emergence Capital, and GGV; total funding reached $60M
- **2022** — Convex named one of Y Combinator's Top Companies
- **2024-04** — ServiceTitan acquired Convex for approximately $26M; Charlie transitioned to VP of Commercial & Construction Markets
- **2024-2025** — Angel Investor at Section B Capital, focused on pre-seed and seed vertical AI startups
- **2025-present** — Visiting Partner at Y Combinator, mentoring early-stage founders

## Achievements

- Co-founded Convex and raised $60M total from top-tier VCs including Emergence Capital, Fifth Wall, and GGV
- Built Atlas, a map-based sales intelligence platform serving the commercial HVAC, security, elevator, fire/life safety, and solar industries
- Grew Convex to $11M in annual revenue with a 55-person team
- Named YC Top Companies 2022 - one of Y Combinator's most successful portfolio companies
- Completed YC W19 Batch and the YC Growth Program
- Graduated magna cum laude from Bowdoin College with Phi Beta Kappa honors
- Holds dual graduate degrees from Harvard (MPA) and MIT (MBA)
- Successfully sold Convex to ServiceTitan in 2024, joining as VP of Commercial & Construction Markets
- Invited as Visiting Partner at Y Combinator based on founder experience

## Latest updates

- **2025-01** — Active as Visiting Partner at Y Combinator, advising early-stage founders in enterprise and vertical SaaS
- **2024-04** — ServiceTitan completed acquisition of Convex; Charlie joined ServiceTitan as VP of Commercial & Construction Markets
- **2024-03** — Section B Capital angel investing activity in pre-seed and seed vertical AI startups

## Links

- Website: https://www.convex.com/leadership/charlie-warren/
- LinkedIn: http://www.linkedin.com/in/chwarren
- Twitter/X: https://twitter.com/mrwarrentweets

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Profile page: https://yespress.io/charlie-warren
Published by YesPress — https://yespress.io
Last updated: 2026-05-09