Masahiro Kotosaka
Angel Investor
Tokyo, Japan
Masahiro Kotosaka is an Associate Professor at Keio University and an Associate Fellow of The School for Advanced Studies in the Social Sciences. He is an expert in Internationalization strategy and early stage business development, and advisor to several global start-up companies. Before moving to Keio, he was an associate professor ofmultinational management at Ritsumeikan University, a teaching & research associate at the University of Oxford, and a consultant at McKinsey & Company based in Frankfurt and Tokyo. As a practitioner, he worked for strategy/marketing projects with sixteen client organizations across nine industries and nine countries and spent four years running three profitable IT/Retail businesses before joining McKinsey. He graduated from the University of Oxford with D.Phil. (Ph.D) in Management Studies and MSc in Management Research with Distinction.
- Total investments:
- 3
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Masahiro Kotosaka invests in
Stages Masahiro Kotosaka invests in
Countries Masahiro Kotosaka invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Education 2 (67%)
- EdTech 1 (33%)
- Fashion 1 (33%)
- Lifestyle 1 (33%)
- E-Commerce 1 (33%)
Stage
- Angel 2 (67%)
- Venture - Series Unknown 1 (33%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Kakedas specializes in the development and operation of web services. | Venture - Series Unknown / Jan 31, 2019 | ||
| noFRAME schools is an EdTech startup is a mission to reinvent a textbook. | Angel / Jan 31, 2019 | ||
| One Nova is a lifestyle brand and online platform that offers a range of innerwear products, such as men's boxers. | $179.1K / Angel / Aug 01, 2018 |
Co-Investors
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FAQ
What does Masahiro Kotosaka invest in?
Masahiro Kotosaka invests primarily in Education, EdTech and Fashion startups, most often at Angel and Venture - Series Unknown stage. Most of the 3 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 Masahiro Kotosaka?
Public channels for Masahiro Kotosaka include LinkedIn, X (Twitter) and the website linked on this profile. 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 Masahiro Kotosaka last invest?
The most recent investment recorded for Masahiro Kotosaka closed in Jan 2019. Shizune tracks 3 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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