# Riho Mashima

> Riho Mashima is a seed investor at First Light Capital backing Social and Consulting. See 2 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [First Light Capital](https://shizune.co/investors/profile/ub-ventures)
- Total investments: 2
- Last investment: Mar 2026
- Lead investor: 50%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/riho-majima/

Riho Mashima is a seed investor at First Light Capital focused on Social and Consulting. Riho Mashima is the Vice President at UB Ventures.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Social | 1 | 50% |
| Consulting | 1 | 50% |
| Construction | 1 | 50% |
| Project Management | 1 | 50% |
| Management Consulting | 1 | 50% |

7 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| LobbyAI | LobbyAI provides a wide range of services related to artificial intelligence, particularly around database construction and management. | $1.9M | Seed | Mar 17, 2026 |  |
| Genba Hub | Genba Hub specializes in providing business management systems for construction and maintenance enterprises. | $992.4K | Seed | Oct 22, 2024 |  |

2 of 2 investments shown.

## Co-investors
- [D4V](https://shizune.co/investors/profile/d4v) — VC Fund, 2 deals together
- [Mitsubishi UFJ Capital](https://shizune.co/investors/profile/mitsubishi-ufj-capital) — VC Fund, 1 deal together
- [PKSHA Capital](https://shizune.co/investors/profile/pksha-technology-capital) — VC Fund, 1 deal together

## About First Light Capital

VC Fund · Tokyo, Japan

First Light Capital is venture capital firm.

4 contacts available at First Light Capital.

| Name | Title | Profile |
| --- | --- | --- |
| Chiamin Lai | Managing Partner | https://shizune.co/investors/profile/chiamin-lai |
| Ayaka Suzuki | Investment Associate | https://shizune.co/investors/profile/junri-suzuki |
| Osamu Iwasawa | President, Founder and CEO | https://shizune.co/investors/profile/osamu-iwasawa |
| Riho Mashima | Principal | https://shizune.co/investors/profile/riho-mashima |

## 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 Riho Mashima invest in?

Riho Mashima invests primarily in Social, Consulting and Construction startups, most often at Seed stage. Most of the 2 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Riho Mashima last invest?

The most recent investment recorded for Riho Mashima closed in Mar 2026. 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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