# Cari Tuna

> Cari Tuna is a startup investor at Coefficient Giving (San Francisco). See 0 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Coefficient Giving](https://shizune.co/investors/profile/open-philanthropy-project)
- Location: San Francisco, United States
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/cari-tuna-3238898

Cari Tuna is a startup investor at Coefficient Giving in San Francisco. Cari Tuna is the President at Open Philanthropy.

## About Coefficient Giving

VC Fund · San Francisco, United States

The Open Philanthropy Project’s mission is to give as effectively as we can and share our findings openly so that anyone can build on our work. Through research and grantmaking, we hope to learn how to make philanthropy go especially far in terms of improving lives.

4 contacts available at Coefficient Giving.

| Name | Title | Profile |
| --- | --- | --- |
| Cari Tuna | President & Co-Founder | https://shizune.co/investors/profile/cari-tuna |
| Jacob Trefethen | Program Officer | https://shizune.co/investors/profile/jacob-trefethen |
| Dustin Moskovitz | Co-Founder & Chairman | https://shizune.co/investors/profile/dustin-moskovitz |
| Holden Karnofsky | Co-CEO & Co-Founder | https://shizune.co/investors/profile/holden-karnofsky |

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