# Choi Hyung-seok

> Choi Hyung-seok is a Series C investor at Woori Venture Partners backing Software. See 1 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Woori Venture Partners](https://shizune.co/investors/profile/woori-venture-partners)
- Total investments: 1
- Lead investor: 0%
- Last updated: Aug 2026

Choi Hyung-seok is a Team Leader at Woori Venture Partners. He focuses on venture investment and startup growth support, evaluating early- and growth-stage companies and contributing to portfolio management and deal sourcing within the VC ecosystem.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 1 | 100% |
| Machine Learning | 1 | 100% |
| Artificial Intelligence | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Return Zero | AI, ASR, Diarization, Speech, ML | $3.5M | Series C |  |  |

1 of 1 investments shown.

## Co-investors
- [Shinhan Venture Investment](https://shizune.co/investors/profile/shinhan-venture-investment) — VC Fund, 1 deal together

## About Woori Venture Partners

VC Fund · Seongnam, South Korea

Woori Venture Partners is an investment firm.

2 contacts available at Woori Venture Partners.

| Name | Title | Profile |
| --- | --- | --- |
| Choi Hyung-seok | Team Leader | https://shizune.co/investors/profile/choi-hyung-seok |
| Kim Man-sik | Team Leader | https://shizune.co/investors/profile/kim-man-sik |

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### Similar stage
- [Sequoia Capital](https://shizune.co/investors/profile/sequoia-capital) — VC Fund
- [New Enterprise Associates](https://shizune.co/investors/profile/new-enterprise-associates) — VC Fund
- [Bessemer Venture Partners](https://shizune.co/investors/profile/bessemer-venture-partners) — VC Fund

## FAQ

### What does Choi Hyung-seok invest in?

Choi Hyung-seok invests primarily in Software, Machine Learning and Artificial Intelligence startups, most often at Series C stage. Most of the 1 investments tracked by Shizune back companies in South Korea. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### 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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