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Ryohei Shirai, Venture Partner at ABC Dream Ventures

Ryohei Shirai

Venture Partner @ ABC Dream Ventures

Osaka, Japan

Ryohei Shirai is a Series A investor at ABC Dream Ventures in Osaka focused on Video and Google. Ryohei Shirai - Venture Partner @ ABC Dream Ventures

Total investments:
4
Last investment:
Lead investor:
0%

Last updated:

Industries Ryohei Shirai invests in

VideoGoogleBig DataSoftwareBlockchain

Stages Ryohei Shirai invests in

Series ASeries BSeries CSeries D

Countries Ryohei Shirai invests in

JapanSingapore

Contacts

TypeContactValidation
Work email
Personal email
Work phone
Personal phone
Socials

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Investment Focus

Industry

  • Video 1 (25%)
  • Google 1 (25%)
  • Big Data 1 (25%)
  • Software 1 (25%)
  • Blockchain 1 (25%)
See all 12 industries →

Stage

  • Series A 1 (25%)
  • Series B 1 (25%)
  • Series C 1 (25%)
  • Series D 1 (25%)

Country

  • Japan 1 (25%)
  • Singapore 1 (25%)

Investments

CompanyDescriptionRoundLinks
Sentient.io AI models, microservices, and datasets are readily available through APIs on the Sentient AI & Data Cloud Platform for easy discovery. They utilize curated public and private datasets and pre-trained and industry-proven models. The company provides unique benefits to software developers looking to create AI-enabled applications orAI-driven services by embedding AI capabilities into their applications and for enterprises by making scalability a core and enabling easy extension to existing applications. Series B / Oct 27, 2021
BitStar is the EnterTech company that accelerates the growth of video creators and content with our proprietary data and technology. $8.3M / Series D / Aug 17, 2020
Sentient.io AI models, microservices, and datasets are readily available through APIs on the Sentient AI & Data Cloud Platform for easy discovery. They utilize curated public and private datasets and pre-trained and industry-proven models. The company provides unique benefits to software developers looking to create AI-enabled applications orAI-driven services by embedding AI capabilities into their applications and for enterprises by making scalability a core and enabling easy extension to existing applications. $3.7M / Series A / Oct 01, 2019
BitStar is the EnterTech company that accelerates the growth of video creators and content with our proprietary data and technology. $9.7M / Series C / Aug 20, 2018

Co-Investors

ABC Dream Ventures

About ABC Dream Ventures

VC Fund · Osaka, Japan

ABC Dream Ventures is the corporate venture capital arm of Japanese media firm Asahi Broadcasting Group Holdings.

ABC Dream Ventures Contacts

NameEmailPhoneSocials
Akihiro Ueda
Akihiro Ueda General Partner
Naoto Obama President and Representative Director
Ryohei Shirai
Ryohei Shirai Venture Partner
Goro Ishizaki President and CEO

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Big Data
Video Games
Clean Energy
Google
Construction
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EdTech
Consumer
Artificial Intelligence
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Enterprise Software
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Travel
InsurTech
Oil and Gas
Retail
Social Impact
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Film
Payments
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Email
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Facebook
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Social Network
Education
Wellness
Medical Device
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Sports
Legal
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Theatre
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FAQ

What does Ryohei Shirai invest in?

Ryohei Shirai invests primarily in Video, Google and Big Data startups, most often at Series A and Series B 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.

How do I contact Ryohei Shirai?

Public channels for Ryohei Shirai 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 Ryohei Shirai last invest?

The most recent investment recorded for Ryohei Shirai closed in Oct 2021. 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 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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