# Jo Hirao

> Jo Hirao is a Series B investor in Tokyo backing Retail, Medical and Big Data. See 4 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Location: Tokyo, Japan
- Total investments: 4
- Last investment: Aug 2022
- Lead investor: 50%
- Last updated: Aug 2026

Jo Hirao is a Series B investor in Tokyo focused on Retail and Medical. Jo Hirao

## Round sizes

| Stage | Round size |
| --- | --- |
| Series B | $6.5M–$11M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Retail | 1 | 25% |
| Medical | 1 | 25% |
| Big Data | 1 | 25% |
| Hospital | 1 | 25% |
| Internet | 1 | 25% |

17 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series B | 2 | 50% |
| Seed | 1 | 25% |
| Series C | 1 | 25% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Japan | 1 | 25% |
| Indonesia | 1 | 25% |
| Singapore | 1 | 25% |
| United States | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| space data | Space Data is based on an algorithm that allows the AI to recognize geospatial data from the Earth and easily assign another Earth in VR. The company is developing an algorithm to automatically generate another "Earth" in virtual space using 3DCG technology by making the AI understand the geospatial information of the Earth by learningthe vast amount of ground observation data available from satellites. They want to create an AI that can reconstruct the "world" in virtual space by learning all kinds of data from this world, such as traffic volume, pedestrian traffic, day and night, four seasons, temperature, plant distribution, and nighttime light intensity. Its goal is to build a future in which everyone has the ability to create their own world (universe) and shape their own destiny without regard for race, gender, appearance, or environment. | $10.6M | Seed | Aug 03, 2022 |  |
| Ralali | Ralali is an e-commerce company operating B2B online marketplace for local trade connecting suppliers and buyers, starting with Industrial and MRO categories then expand to Office supplies, Automotive, Medical, Agriculture, Home & Building, Hotel & Restaurant Equipment, and many more.The company was established in 2013 and is based inTangerang, Indonesia. | $13M | Series C | Jul 26, 2019 |  |
| Docquity | A Private & Secure, Continual learning network, exclusively for doctors. | $11M | Series B | Mar 11, 2019 |  |
| HackerEarth | HackerEarth is an AI-powered developer assessment software that helps them to accurately measure a developer’s skills through online coding tests. It takes a skill-based approach to assessment, allowing companies to automatically generate standardized tests based on various skills and then accurately measure the developer’s performance on thoseskills. | $6.5M | Series B | Nov 01, 2018 |  |

4 of 4 investments shown.

## Co-investors
- [AddVentures](https://shizune.co/investors/profile/addventures-by-scg) — VC Fund, 1 deal together
- [Arbor Ventures](https://shizune.co/investors/profile/arbor-ventures) — VC Fund, 1 deal together
- [Global Brain Corporation](https://shizune.co/investors/profile/global-brain-corporation) — VC Fund, 1 deal together
- [GREE Ventures](https://shizune.co/investors/profile/gree-ventures-e73a) — VC Fund, 1 deal together
- [Headline Asia (formerly Infinity Ventures)](https://shizune.co/investors/profile/infinity) — VC Fund, 1 deal together
- [ITOCHU Corporation](https://shizune.co/investors/profile/itochu-corporation) — VC Fund, 1 deal together

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## FAQ

### What does Jo Hirao invest in?

Jo Hirao invests primarily in Retail, Medical and Big Data startups, most often at Series B and Seed stage. Most of the 4 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Jo Hirao's check size?

Jo Hirao typically joins rounds of $6.5M–$11M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Jo Hirao participates in.

### When did Jo Hirao last invest?

The most recent investment recorded for Jo Hirao closed in Aug 2022. Shizune tracks 4 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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