# Leo Widrich (slim)

> Leo Widrich is co-founder of left the company in early 2017. Buffer API + MCP on Anchor Terminal, with grades, an about and public profiles.

- Full: https://www.anchorterminal.com/people/leo-widrich/index.md (~1,150 tokens) · this version ~980 tokens · JSON https://www.anchorterminal.com/people/leo-widrich/index.json · canonical https://www.anchorterminal.com/people/leo-widrich/
- 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, left the company in early 2017.

Leo Widrich co-founded Buffer, joining Joel Gascoigne on it in early 2011, and wrote the company's announcement of its $450,000 seed round that December.

## What Leo builds

- [Buffer API + MCP](https://www.anchorterminal.com/tools/buffer.md), graded B, 62/100, in Social media posting APIs. Buffer's GraphQL API, reopened to everyone on 2026-05-27 and free on every plan, with a hosted MCP server (20 tools) and a CLI. Co-founder, left the company in early 2017, researched 2026-10-28.

## Works with

- [Joel Gascoigne](https://www.anchorterminal.com/people/joel-gascoigne/), CEO and co-founder

## Backed by

- [AngelPad](https://www.anchorterminal.com/investors/angelpad/)
- [InterWest Partners](https://www.anchorterminal.com/investors/interwest-partners/)
- [Inspiration VC](https://www.anchorterminal.com/investors/inspiration-vc/)
- [Red Swan Ventures](https://www.anchorterminal.com/investors/red-swan-ventures/)
- [VegasTechFund](https://www.anchorterminal.com/investors/vegastechfund/)
- [Eric Kim](https://www.anchorterminal.com/investors/eric-kim/)
- [Maneesh Arora](https://www.anchorterminal.com/investors/maneesh-arora/)
- [Jay Baer](https://www.anchorterminal.com/investors/jay-baer/)
- [Dharmesh Shah](https://www.anchorterminal.com/investors/dharmesh-shah/)
- [Peter Bordes](https://www.anchorterminal.com/investors/peter-bordes/)
- [Harvey Brofman](https://www.anchorterminal.com/investors/harvey-brofman/)
- [Andy McLoughlin](https://www.anchorterminal.com/investors/andy-mcloughlin/)
- [Graham Jenkin](https://www.anchorterminal.com/investors/graham-jenkin/)
- [Jim LeTourneau](https://www.anchorterminal.com/investors/jim-letourneau/)
- [Gordon Paddison](https://www.anchorterminal.com/investors/gordon-paddison/)
- [Jay Gould](https://www.anchorterminal.com/investors/jay-gould/)
- [Alberto Benbunan](https://www.anchorterminal.com/investors/alberto-benbunan/)
- [Gokul Rajaram](https://www.anchorterminal.com/investors/gokul-rajaram/)
- [Shan Mehta](https://www.anchorterminal.com/investors/shan-mehta/)
- [Adii Pienaar](https://www.anchorterminal.com/investors/adii-pienaar/)
- [Scott Bannister](https://www.anchorterminal.com/investors/scott-bannister/)
- [Eric Ries](https://www.anchorterminal.com/investors/eric-ries/)
- [Hiten Shah](https://www.anchorterminal.com/investors/hiten-shah/)

## Questions

### Who is Leo Widrich?

Leo Widrich co-founded Buffer, joining Joel Gascoigne on it in early 2011, and wrote the company's announcement of its $450,000 seed round that December.

### What does Buffer make?

Anchor Terminal lists Buffer API + MCP from Buffer.

### Who has invested in Buffer?

The sources our research read name AngelPad, InterWest Partners, Inspiration VC, Red Swan Ventures, VegasTechFund, Eric Kim, Maneesh Arora, Jay Baer, Dharmesh Shah, Peter Bordes, Harvey Brofman, Andy McLoughlin, Graham Jenkin, Jim LeTourneau, Gordon Paddison, Jay Gould, Alberto Benbunan, Gokul Rajaram, Shan Mehta, Adii Pienaar, Scott Bannister, Eric Ries and Hiten Shah.

### How are Leo's tools graded?

Buffer API + MCP is graded B, 62 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://buffer.com/about
- https://buffer.com/

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.