# Ben Chestnut (slim)

> Ben Chestnut is co-founder of Mailchimp. Mailchimp Marketing API and Mailchimp Transactional (Mandrill) on Anchor Terminal, with grades, an about and public profiles.

- Full: https://www.anchorterminal.com/people/ben-chestnut/index.md (~900 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/people/ben-chestnut/index.json · canonical https://www.anchorterminal.com/people/ben-chestnut/
- 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, Mailchimp.

Ben Chestnut co-founded Mailchimp, which began as a side project of the Rocket Science Group, the web design agency he ran with Dan Kurzius.

## What Ben builds

- [Mailchimp Marketing API](https://www.anchorterminal.com/tools/mailchimp-marketing.md), graded C, 57.4/100, in Lifecycle marketing & customer engagement. Intuit Mailchimp's Marketing API manages audiences, contacts, tags, segments, events, campaigns, automations and reports for a Mailchimp account. It is a REST API at `https://api.mailchimp.com/3.0/` that takes an API key or an OAuth 2 token. Co-founder, Mailchimp, researched 2026-10-28.
- [Mailchimp Transactional (Mandrill)](https://www.anchorterminal.com/tools/mandrill.md), graded C, 58.1/100, in Email delivery APIs. Transactional email service from Intuit Mailchimp, formerly Mandrill. It sends application email and SMS through an HTTP API, SMTP or a hosted MCP server, with templates, inbound routing, webhooks and reporting, as a paid add-on to a Mailchimp plan. Co-founder, Mailchimp, researched 2026-10-28.

## Works with

- [Dan Kurzius](https://www.anchorterminal.com/people/dan-kurzius/), Co-founder, Mailchimp
- [Mark Armstrong](https://www.anchorterminal.com/people/mark-armstrong/), Co-founder, Mailchimp

## Questions

### Who is Ben Chestnut?

Ben Chestnut co-founded Mailchimp, which began as a side project of the Rocket Science Group, the web design agency he ran with Dan Kurzius.

### What does Intuit Mailchimp make?

Anchor Terminal lists Mailchimp Marketing API and Mailchimp Transactional (Mandrill) from Intuit Mailchimp.

### How are Ben's tools graded?

Mailchimp Marketing API is graded C, 57.4 out of 100; Mailchimp Transactional (Mandrill) is graded C, 58.1 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://mailchimp.com/
- https://mailchimp.com/contact/
- https://mailchimp.com/about/
- https://en.wikipedia.org/wiki/Mailchimp

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.