# Dennis D. Ryan

> Dennis D. Ryan is a startup investor at Foresite Capital (Greenbrae). See 0 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Foresite Capital](https://shizune.co/investors/profile/foresite-capital)
- Location: Greenbrae, United States
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/dennis-ryan-9190b714

Dennis D. Ryan is a startup investor at Foresite Capital in Greenbrae. Dennis Ryan is a Managing Director of Foresite Capital and the CFO.Dennis has twenty-five years experience as a financial executive in the investment, real estate and private equity industries.After graduating from U.C. Berkeley with a degree in Economics and the University of Santa Clara with an M.B.A, Dennis began his career with theinternational accounting firm KPMG (Peat, Marwick & Mitchell). As a licensed certified public accountant (CPA) in California, Dennis has served as chief financial officer in firms ranging from a publicly owned real estate investment trust (REIT), Western Properties Trust, to a sponsor of a series of venture debt funds, Lighthouse Capital Partners, to a start-up of investment funds, Berkeley Advisors Group. In his role as chief financial officer with these firms, his responsibilities included debt and equity financing, investment structuring, financial reporting, portfolio management and strategic planning. Prior to joining Foresite Capital in 2011, Dennis had a financial advisory practice providing CFO services and business and investment advisory services.In addition to a successful business career, Dennis has taught finance courses at St. Mary's College and has been an active member in the community with youth sports, Big Brothers and Board President of an eleven million dollar nonprofit serving senior citizens.

## About Foresite Capital

VC Fund · San Francisco, United States

Foresite Capital is a healthcare and life sciences investment firm. They take a data-driven approach to invest in startups that employ biology and big data to improve healthcare, such as 10x Genomics, Relay Therapeutics, Element Biosciences, and Inscripta.

5 contacts available at Foresite Capital.

| Name | Title | Profile |
| --- | --- | --- |
| Dorothy Margolskee | Managing Director | https://shizune.co/investors/profile/dorothy-margolskee |
| James Tananbaum | Founder and CEO | https://shizune.co/investors/profile/jim-tananbaum |
| Stephen C. Peterson | Partner | https://shizune.co/investors/profile/stephen-c-peterson |
| Dennis D. Ryan | CFO & Managing Director | https://shizune.co/investors/profile/dennis-d-ryan |
| Elizabeth Liz Canis | Senior Advisor | https://shizune.co/investors/profile/elizabeth-liz-canis |

## FAQ

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co