# Matt Sornson (slim)

> Matt Sornson is co-founder of Clearbit. Clearbit on Anchor Terminal, with grades, an about and public profiles.

- Full: https://www.anchorterminal.com/people/matt-sornson/index.md (~850 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/people/matt-sornson/index.json · canonical https://www.anchorterminal.com/people/matt-sornson/
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Co-founder, Clearbit.

Matt Sornson co-founded Clearbit and was its chief marketing officer before becoming interim chief executive in November 2020. In November 2023 he announced Clearbit's agreement to be acquired by HubSpot.

## What Matt builds

- [Clearbit](https://www.anchorterminal.com/tools/clearbit.md), graded F, 14.2/100, in Lead & company data. Clearbit is a B2B data provider for company, contact and IP intelligence, acquired by HubSpot. It still runs enrichment, reveal and prospecting APIs for existing customers, and HubSpot's Breeze Intelligence carries its data for new buyers. Co-founder, Clearbit, researched 2026-10-28.

## Works with

- [Alex MacCaw](https://www.anchorterminal.com/people/alex-maccaw/), Co-founder and former CEO, Clearbit
- [Rebecca Yang](https://www.anchorterminal.com/people/rebecca-yang/), Director of Engineering, HubSpot; former Clearbit engineering leader

## Questions

### Who is Matt Sornson?

Matt Sornson co-founded Clearbit and was its chief marketing officer before becoming interim chief executive in November 2020. In November 2023 he announced Clearbit's agreement to be acquired by HubSpot.

### What does Clearbit (HubSpot) make?

Anchor Terminal lists Clearbit from Clearbit (HubSpot).

### How are Matt's tools graded?

Clearbit is graded F, 14.2 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://www.gosearch.ai/blog/ai-innovators-rebecca-yang-on-building-ai-platforms-agents/
- https://www.linkedin.com/posts/rebeccaryang_a-year-ago-our-startup-clearbit-was-acquired-activity-7243302239526608896-Qf0n
- https://www.linkedin.com/in/rebeccaryang
- https://help.clearbit.com/hc/en-us
- https://clearbit.com/
- https://help.clearbit.com/hc/en-us/requests/new
- https://clearbit.com/blog/author/alex/page/2
- https://clearbit.com/blog/author/matt-sornson
- https://clearbit.com/blog/tag/company/page/3
- https://clearbit.com/blog/clearbit-enters-agreement-to-join-hubspot

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched.