# Sonia Arrison

> Sonia Arrison is a pre-seed investor at 100 Plus Capital backing Software and Life Science. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [100 Plus Capital](https://shizune.co/investors/profile/100-plus-capital)
- Location: San Francisco, United States
- Total investments: 1
- Last investment: Apr 2024
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/sarrison
- Website: https://x.com/Soniaarrison
- Facebook: http://www.facebook.com/soniaarrisonwriter

Sonia Arrison is a pre-seed investor at 100 Plus Capital in San Francisco focused on Software and Life Science. Sonia Arrison is based out of San Francisco, California, and is the Founder of 100 Plus Capital. Sonia previously worked at The Thiel Foundation as a Board Member. Sonia Arrison attended the University of British Columbia.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 1 | 100% |
| Life Science | 1 | 100% |
| Artificial Intelligence | 1 | 100% |
| Natural Language Processing | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Tetsuwan Scientific | Pioneering the development of AI agents capable of wet lab experimentation. | $2.7M | Pre-Seed | Apr 18, 2024 |  |

1 of 1 investments shown.

## Co-investors
- [Everywhere Ventures](https://shizune.co/investors/profile/everywhere-ventures) — VC Fund, 3 deals together
- [2048 Ventures](https://shizune.co/investors/profile/2048-ventures) — VC Fund, 2 deals together
- [Carbon Silicon Ventures](https://shizune.co/investors/profile/carbon-silicon-ventures) — VC Fund, 1 deal together
- [Referent Ventures](https://shizune.co/investors/profile/referent-ventures) — VC Fund, 1 deal together

## About 100 Plus Capital

VC Fund



1 contacts available at 100 Plus Capital.

| Name | Title | Profile |
| --- | --- | --- |
| Sonia Arrison | Founder | https://shizune.co/investors/profile/sonia-arrison-5bb8 |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund
- [Everywhere Ventures](https://shizune.co/investors/profile/everywhere-ventures) — VC Fund

## FAQ

### What does Sonia Arrison invest in?

Sonia Arrison invests primarily in Software, Life Science and Artificial Intelligence startups, most often at Pre-Seed stage. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Sonia Arrison last invest?

The most recent investment recorded for Sonia Arrison closed in Apr 2024. Shizune tracks 1 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### 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.

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