# Park Ha-jin

> Park Ha-jin is a Series B investor at HB Investment (Seoul) backing EBooks and Software. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [HB Investment](https://shizune.co/investors/profile/hb-investment)
- Location: Seoul, South Korea
- Total investments: 2
- Last investment: Feb 2022
- Lead investor: 100%
- Last updated: Aug 2026

Park Ha-jin is a Series B investor at HB Investment in Seoul focused on EBooks and Software. Park Ha-jin is the CEO of HB Investment. Park Ha-jin attended Hansung University.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| EBooks | 1 | 50% |
| Software | 1 | 50% |
| Accounting | 1 | 50% |
| Audiobooks | 1 | 50% |
| Reading Apps | 1 | 50% |

7 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 1 | 50% |
| Series C | 1 | 50% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Jobis | Jobis is an accounting management platform by AI. | $25.1M | Series C | Feb 16, 2022 |  |
| Millie | Millie is an online book reading application. | $4.8M | Series B | Sep 30, 2018 |  |

2 of 2 investments shown.

## Co-investors
- [Atinum Partners](https://shizune.co/investors/profile/atinum-investment) — VC Fund, 1 deal together
- [Atinum Partners](https://shizune.co/investors/profile/atinum-partners) — VC Fund, 1 deal together
- [Capstone Partners](https://shizune.co/investors/profile/capstone-partners-korea) — VC Fund, 1 deal together
- [DSC Investment](https://shizune.co/investors/profile/dsc-investment) — VC Fund, 1 deal together
- [Kolon Investment](https://shizune.co/investors/profile/kolon-investment) — VC Fund, 1 deal together
- [Korea Omega Investment](https://shizune.co/investors/profile/korea-omega-investment) — VC Fund, 1 deal together

## About HB Investment

VC Fund · Seoul, South Korea

HB Investment Inc. was founded on November 11, 1999 starting with paid-in Capital of KRW 10 billion.Since its foundation, HB Investment Inc. has been investing small and medium businesses that have the potential for steady growth and profitability and helping the invested companies to grow well by giving various consulting services. As a result,HB Investment Inc.constructed comprehensive portfolio out of various industrial areas, such as game, entertainment, as well as representative high-tech industries related to semiconductor, Internet, LCD, and a smart phone, bio, health care. In addition, HB Investment Inc. has experiences in implementing business Success-fully by organizing several partnership funds for recent years.

2 contacts available at HB Investment.

| Name | Title | Profile |
| --- | --- | --- |
| Hwang Yu-sun | CEO | https://shizune.co/investors/profile/hwang-yu-sun |
| Park Ha-jin | CEO | https://shizune.co/investors/profile/park-ha-jin |

## Similar investors

### Similar stage
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund

## FAQ

### What does Park Ha-jin invest in?

Park Ha-jin invests primarily in EBooks, Software and Accounting startups, most often at Series B and Series C stage. Most of the 2 investments tracked by Shizune back companies in South Korea. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Park Ha-jin last invest?

The most recent investment recorded for Park Ha-jin closed in Feb 2022. Shizune tracks 2 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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