# Tommy Tsai

> Tommy Tsai is a seed investor at Coefficient (San Francisco) backing FinTech and Software. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Coefficient](https://shizune.co/investors/profile/coefficient-8088)
- Location: San Francisco, United States
- Total investments: 1
- Last investment: May 2020
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/tommytsai
- X (Twitter): http://twitter.com/tsaitommy
- Website: https://x.com/tsaitommy
- Facebook: https://www.facebook.com/tommytsai1984

Tommy Tsai is a seed investor at Coefficient in San Francisco focused on FinTech and Software. Tommy Tsai is the Co-Founder of Coefficient. He attended Stanford University.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| FinTech | 1 | 100% |
| Software | 1 | 100% |
| Accounting | 1 | 100% |
| Machine Learning | 1 | 100% |
| Financial Services | 1 | 100% |

10 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Proper | Proper is an automated accounting startup that offers property accounting tools that help property managers to grow their portfolios.The company utilizes machine learning and Fortune-500 level financial specialists to help property managers and owners grow their businesses without fear of operational limitations, as well as decrease the timetheir accountants spend performing routine tasks.Mark Rojas founded it in San Francisco, California in 2017. | $4.8M | Seed | May 15, 2020 |  |

1 of 1 investments shown.

## Co-investors
- [Bling Capital](https://shizune.co/investors/profile/bling-capital) — VC Fund, 1 deal together
- [Expa](https://shizune.co/investors/profile/expa) — VC Fund, 1 deal together
- [Locus Ventures](https://shizune.co/investors/profile/locus-ventures) — VC Fund, 1 deal together
- [MetaProp](https://shizune.co/investors/profile/metaprop-nyc) — VC Fund, 1 deal together
- [Rivet Ventures](https://shizune.co/investors/profile/rivet-ventures) — VC Fund, 1 deal together

## About Coefficient

VC Fund · Palo Alto, United States

Coefficient turns spreadsheets into an operating system for business teams with real-time data connectivity, automation, and workflows. The solution connects, automates, and shares real-time data in Google Sheets, ensuring that reports, dashboards, and insights are always up to date. With a single click, they can connect Google Sheets to any sourcesystem.

3 contacts available at Coefficient.

| Name | Title | Profile |
| --- | --- | --- |
| Navneet Loiwal | Co-Founder & CEO | https://shizune.co/investors/profile/navneet-loiwal |
| Ben Crosswell | Chief Revenue Officer | https://shizune.co/investors/profile/ben-crosswell-f20f |
| Tommy Tsai | Co-Founder | https://shizune.co/investors/profile/tommy-tsai |

## Similar investors

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

## FAQ

### What does Tommy Tsai invest in?

Tommy Tsai invests primarily in FinTech, Software and Accounting startups, most often at Seed stage. Most of the 1 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Tommy Tsai last invest?

The most recent investment recorded for Tommy Tsai closed in May 2020. 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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