Social Media Investors in Japan

Angel Roster lists 26 Social Media investors based in Japan. Most are venture capital firms and angel investors and the most common stage is Seed.

Investors listed
26
With verified email
38%
Most common stage
Seed
Top location
Japan

Updated October 13, 2026 · How we compile this data

Top 26 Social Media investors in Japan

The most complete profiles first. Showing 26 of 26.

  • Kazuma IeiriVerified

    Venture Capital, Founder, Angel/Individual · Japan

    SeedCrowdfundingE-commerceLifestyle ProductsInformation Technology (IT)Crowdfunding

    Portfolio: 10x Japan, Bé-A Japan, yutori, BULK HOMME and 12 more

    Verified email available

  • Andrew B.Verified

    Private Equity Firm · Japan

    AdvertisingHealth CareHospitalsWomen Founded

    Portfolio: Advance Health, Stroz Friedberg, Ikaria, Apptis, Inc and 14 more

    Verified email available

  • Dave PowellVerified

    Angel/Individual · Japan

    AdvertisingEnterprise SoftwareCRMStorage

    Portfolio: TurboAppeal, Acorns, Fresco News, IT Central Station and 13 more

    Verified email available

  • Hiroyuki WatanabeVerified

    Venture Capital · Japan

    Events ServicesHR TechDesignFilm

    Portfolio: TOMARUBA, Dailysocial.id, WritePath, Mynet Inc. and 44 more

    Verified email available

  • Kenichiro HaraVerified

    Venture Capital, Private Equity Firm, Finance Operator · Japan

    AdvertisingWearablesE-commerceMessaging

    Portfolio: Figure, EKuaibao, Eaze, Kespry and 74 more

    Verified email available

  • Yoshito HoriVerified

    Venture Capital · Japan

    DesignAppsSocial Networking Service (SNS)News Media

    Portfolio: TERASS, Flamingo Japan, Akippa, Yappli and 67 more

    Verified email available

  • Ryo Umezawa

    Venture Capital, Investor · Japan

    SeedE-commerceCybersecurityConsumer GoodsHR Tech

    Portfolio: Cumi, Meetscare, Asumsi, Stock and 86 more

    Contact details available

  • Hironori MaedaVerified

    Venture Capital, Angel/Individual, Investment Partner · Japan

    SeedPre-SeedEnterprise SoftwareArtificial Intelligence (AI)RoboticsMarketplace

    Portfolio: Holmes, DELY, POL, Lecto and 2 more

    Verified email available

  • Eriko Suzuki

    Venture Capital, Micro VC · Japan

    Health CarePaymentsWomen FoundedEnterprise Software

    Portfolio: Chai, I Done This, Moesif, Fresco News and 59 more

    Contact details available

  • Haruo Kawamura

    Investment Bank · Japan

    TelecommunicationsE-commerceCybersecurityConsumer Goods

    Portfolio: Midstream Technologies, Fishmonger.com, CourtLink, Wavelink and 6 more

    Contact details available

  • Hironao Kunimitsu

    Angel/Individual, Investment Partner · Japan

    SeedTelecommunicationsE-commerceSportsDesign

    Portfolio: GATARI, 1SEC, SPORTS CROWN, Gaudiy and 4 more

    Contact details available

  • James RineyVerified

    Venture Capital, Entrepreneurship Program, Private Equity Firm · Japan

    SeedPre-SeedAdvertisingEnterprise SoftwareInvestment ManagementFilm

    Portfolio: Zehitomo, Aww, Authlete, justInCase and 1 more

    Verified email available

  • Kanako Honda

    Venture Capital, Private Equity Firm · Japan

    AdvertisingWearablesE-commerceMessaging

    Portfolio: Figure, EKuaibao, Eaze, Kespry and 74 more

    Contact details available

  • Kazuya Minami

    Angel/Individual · Japan

    AdvertisingE-commerceEmployer Benefits ProgramsEnterprise Software

    Portfolio: Gameventures, Tokyo Otaku Mode, Path, Six Apart and 27 more

    Contact details available

  • Kenjiro Yamashita

    Investment Bank · Japan

    TelecommunicationsE-commerceCybersecurityConsumer Goods

    Portfolio: Midstream Technologies, Fishmonger.com, CourtLink, Wavelink and 6 more

    Contact details available

  • Miki Sarumaru

    Venture Capital, Private Equity Firm · Japan

    AdvertisingWearablesE-commerceMessaging

    Portfolio: Figure, EKuaibao, Eaze, Kespry and 74 more

    Contact details available

  • Takeshi Kaneko

    Venture Capital · Japan

    E-commerceConsumer GoodsHR TechLifestyle Products

    Portfolio: Cumi, Meetscare, Asumsi, Stock and 86 more

    Contact details available

  • Keizo Tsutsui

    Angel/Individual · Japan

    Enterprise SoftwareMarketplaceMobileConsumer Internet

    Portfolio: Infinity Venture Partners, Allied Architects, 500 Startups, Golden Gate Ventures and 5 more

    Contact details available

  • Tetsuro MiyatakeVerified

    Venture Capital · Japan

    SeedPre-SeedE-commerceSportsEnterprise SoftwareArtificial Intelligence (AI)

    Portfolio: Coursebase, All Turtles, Audiobyte, Seed Labs

    Verified email available

  • Shuzo Narita

    Angel/Individual, Investment Partner · Japan

    HR TechHR SoftwareCrowdsourcingSmall and Medium Businesses

    Portfolio: SPORNIA, Leaner Technologies, Aidemy, Waaq and 4 more

    Contact details available

  • Koichiro Yoshida

    Angel/Individual, Investment Partner · Japan

    SeedPre-SeedEnterprise SoftwareHR TechHR SoftwareCrowdsourcing

    Portfolio: Pretia, Recipio, Attelu, Recipio Japan and 1 more

    Contact details available

  • Kenichiro YoshidaVerified

    Angel/Individual, Investment Partner · Japan

    TelecommunicationsTask ManagementEducationArtificial Intelligence (AI)

    Portfolio: Aidemy

    Verified email available

  • Tomoe YAMADA

    Angel/Individual · Japan

    SeedAdvertisingAppsMobileVideo

    Portfolio: Shuttlerock

    Contact details available

  • Satoshi Ueyama

    Venture Capital, Investor · Japan

    Series BMessagingTrading PlatformSocial MediaMedia and Entertainment

    Contact details available

  • Toshiya Fujiwara

    Angel/Individual · Japan

    Health CareInvestment ManagementCRMBanking

    Portfolio: LIGUA

    Contact details available

  • Yuji Mori

    Angel/Individual · Japan

    ContentSocial MediaMedia and Entertainment

    Portfolio: Hatena Japan

    Contact details available

Frequently asked questions

How many Social Media investors in Japan are on Angel Roster?

Angel Roster lists 26 Social Media investors in Japan. 10 of them (38%) include a verified email address.

What types of investors are they?

The most common investor types are Venture Capital Firms (13), Angel Investors (13) and Investment Partner Investors (7). An investor can have more than one type, for example an angel who is also a venture partner.

Which stages do Social Media investors in Japan invest in?

Among those that list a stage, the most common are Seed (8), Pre-Seed (4) and Series B (1).

Which companies have Social Media investors in Japan backed?

The most-backed portfolio companies among them are 10x Japan (4), CADDi (4), Udesk (3), Scanwell Health (3) and DocSend (3).

How do I contact Social Media investors in Japan?

Create a free Angel Roster account to search and filter all 26, then unlock verified emails and LinkedIn profiles on a paid plan. Every plan starts with a 3-day free trial.