# Kei Kinoshita

> Kei Kinoshita is a Series A investor at Mercari backing Incubators. See 1 investment, round sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Mercari](https://shizune.co/investors/profile/mercari-47fe)
- Total investments: 1
- Last investment: Dec 2018
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/kkino/?originalSubdomain=jp

Kei Kinoshita is a Series A investor at Mercari focused on Incubators and Service Industry. Kei Kinoshita is the Director of Product Management at Mercari, Inc.

## Contacts

5 contacts available for Kei Kinoshita: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/kei-kinoshita?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Incubators | 1 | 100% |
| Service Industry | 1 | 100% |

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| BoostIO | MAISIN&CO makes meetings efficient. MAISIN&CO was founded in 2014. | $13.8M | Series A | Dec 03, 2018 |  |

1 of 1 investments shown.

## Co-investors
- [ANRI](https://shizune.co/investors/profile/anri) — VC Fund, 1 deal together
- [NOW Japan](https://shizune.co/investors/profile/now-inc) — VC Fund, 1 deal together

## About Mercari

VC Fund · Minato, Japan

Mercari is a marketplace app that makes it easy for people to safely sell and ship their things.the Mercari app has been downloaded over 100M times in Japan and the US. It's now among the largest peer-to-peer selling platforms globally. From fashion to toys, shoes to electronics and beyond, Mercari's mission is to create value in a globalmarketplace where anyone can buy and sell.

5 contacts available at Mercari.

| Name | Title | Profile |
| --- | --- | --- |
| Ann Kilzer | Software Engineer | https://shizune.co/investors/profile/ann-kilzer |
| Fumiaki Koizumi | President / COO | https://shizune.co/investors/profile/fumiaki-koizumi |
| Hamada Yuki | Director / CPO | https://shizune.co/investors/profile/hamada-yuki |
| Hiroshi Tomishima | Co-Founder | https://shizune.co/investors/profile/hiroshi-toshima |
| Karasawa Shunsuke | Operating Officer | https://shizune.co/investors/profile/karasawa-shunsuke |

## 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
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does Kei Kinoshita invest in?

Kei Kinoshita invests primarily in Incubators and Service Industry startups, most often at Series A stage. Most of the 1 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Kei Kinoshita?

Public channels for Kei Kinoshita include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### When did Kei Kinoshita last invest?

The most recent investment recorded for Kei Kinoshita closed in Dec 2018. Shizune tracks 1 investment 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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