# Mary Marx

> Mary Marx is a startup investor at Houston Angel Network (Houston). See 0 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Houston Angel Network](https://shizune.co/investors/profile/houston-angel-network)
- Location: Houston, United States
- Last updated: Aug 2026

Mary Marx is a startup investor at Houston Angel Network in Houston. Harper & Pearson Company
 CPA, Shareholder. Tax accountant, public accounting, 29 years. IRS revenue agent 5 years

## About Houston Angel Network

VC Fund · Houston, United States

The Houston Angel Network (HAN) is the oldest angel network in Texas and most active angel network in the USA according to the Angel Resource Institute. Its members have invested more than $61.7M in 198 deals since its inception in 2001. In 2014, HAN members invested $15.3M in 66 deals. The typical individual HAN member is an accredited investorseriously interested in providing capital and coaching to early stage companies. HAN also has institutional members such as seed funds, accelerators, universities and other networks within the innovation ecosystem. HAN is a non-profit association that does not charge fees to entrepreneurs; its revenue consists of membership fees and sponsorships.

5 contacts available at Houston Angel Network.

| Name | Title | Profile |
| --- | --- | --- |
| Chris Winkler | President | https://shizune.co/investors/profile/chris-winkler |
| Jim Lawnin | Head of Energy Tech Group | https://shizune.co/investors/profile/jim-lawnin |
| Juliana Garaizar | CEO | https://shizune.co/investors/profile/juliana-garaizar |
| Mary Marx | Treasurer | https://shizune.co/investors/profile/mary-marx |
| Michael Jenkins | Coordinator | https://shizune.co/investors/profile/michael-jenkins |

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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.

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