# Christopher O'Donnell

> Christopher O’Donnell is co-founder and CEO of Day AI and a former chief product officer at HubSpot. He joined HubSpot through its 2011 acquisition of Performable and helped develop its marketing and sales products. A Brown University graduate in Computers & Music, he also makes music with The Providers. He reunited with former HubSpot colleague Michael Pici to found Day AI in 2023.

- **Role:** Co-founder & CEO at Day AI
- **Organizations:** Day AI, HubSpot, Performable, Thrive Global, The Providers, ProfitWell, Firetower.app
- **Education:** BA, Computers & Music, Brown University
- **Known for:** Helped build and scale HubSpot CRM and Sales Hub., Led product and design as HubSpot chief product officer., Co-founded Day AI with Michael Pici.

## Career timeline

- **2000-2004** — Studied Computers & Music at Brown University, including a semester in Rio de Janeiro.
- **Before 2011** — Director of Product Development at Performable.
- **2011** — Joined HubSpot through its acquisition of Performable.
- **2012** — Marketing product rewrite culminated in HubSpot Contacts and HubSpot3.
- **2013 onward** — Worked with Michael Pici on HubSpot sales tools and CRM; later served as chief product officer.
- **2021** — Became chief product officer at Thrive Global.
- **2023** — Co-founded Day AI with Michael Pici.
- **2024** — Day AI announced a $4 million Sequoia-led seed round.
- **2026** — Day AI announced a $20 million Series A and general availability.

## Achievements

- Helped build and scale HubSpot CRM and Sales Hub.
- Led product and design as HubSpot chief product officer.
- Co-founded Day AI with Michael Pici.
- Co-founded ProfitWell, as documented in his Bessemer interview profile.
- Co-founded JavaScript error-tracking application Firetower.app.

## Latest updates

- **2026-10** — His Day AI author page lists the October 6 release note announcing Microsoft support.
- **2026-09** — His author page lists updates for dictation, custom MCP connectors, dashboards, and image pasting in chat.
- **2026-02** — Day AI announced a $20 million Series A led by Sequoia and general availability; Pat Grady joined its board.

## Links

- Website: https://day.ai/
- LinkedIn: https://www.linkedin.com/in/markitecht
- Twitter/X: https://x.com/markitecht
- GitHub: https://github.com/markitecht

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Profile page: https://yespress.io/christopher-odonnell
Published by YesPress — https://yespress.io
Last updated: 2026-10-15