Q4 Investors

74 investors on Angel Roster list Q4 in their portfolio. Most are private equity firms and venture capital firms, the most common stage is Series A and the largest groups are based in Canada, the United States and the United Kingdom.

Investors are matched on the company name in their portfolio, so companies that share the name Q4 can appear together.

Investors listed
74
With verified email
32%
Most common stage
Series A
Top location
Canada

Updated October 13, 2026 · How we compile this data

Top 40 Q4 investors

The most complete profiles first. Showing 40 of 74.

  • Ian LaneVerified

    Venture Capital, Private Equity Firm, Finance Operator · United Kingdom

    SeedSeries AHealth CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Iluminage Beauty, Eaton and 102 more

    Verified email available

  • Alex BarkerVerified

    Venture Capital, Private Equity Firm · United Kingdom

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Amanda ChenVerified

    Venture Capital, Private Equity Firm

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Brad JohnsonVerified

    Venture Debt · Canada

    AdvertisingHealth CareData IntegrationWearables

    Portfolio: HomeStars Inc., Colligo Networks, Thentia, Explorance and 38 more

    Verified email available

  • Brett GordonVerified

    Private Equity Firm · United States

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Carolina EspinalVerified

    Private Equity Firm · United Kingdom

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Christopher WalkerVerified

    Private Equity Firm · United States

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Craig FowlerVerified

    Venture Capital, Private Equity Firm · United States

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Daryl NgVerified

    Venture Capital, Private Equity Firm · Singapore

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • David AtterburyVerified

    Venture Capital, Private Equity Firm · United Kingdom

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Dominic GohVerified

    Venture Capital, Private Equity Firm · Singapore

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • John MorrisVerified

    Venture Capital, Private Equity Firm · United States

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • John ToomeyVerified

    Private Equity Firm · United States

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Joseph LiVerified

    Venture Capital, Private Equity Firm

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Michael JenkinsVerified

    Venture Capital, Private Equity Firm · Canada

    Health CareData IntegrationCustomer ServiceSports

    Portfolio: Rock Content, Sensibill, ScribbleLive, Q4 and 9 more

    Verified email available

  • Michael TaylorVerified

    Venture Capital, Private Equity Firm · Singapore

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Mohannad ElVerified

    Venture Capital · Canada

    TelecommunicationsE-commerceEnterprise SoftwareTransportation

    Portfolio: CareGuide, Drop Technologies, Keyliving, SweetIQ Analytics and 21 more

    Verified email available

  • Patrick QianVerified

    Venture Capital, Private Equity Firm

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Rachel WuVerified

    Venture Capital, Private Equity Firm

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Contact details available

  • Reinier MikamiVerified

    Private Equity Firm · Japan

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Contact details available

  • Richard BlackVerified

    Venture Capital, Private Equity Firm · Canada

    Health CareData IntegrationCustomer ServiceSports

    Portfolio: Rock Content, Sensibill, ScribbleLive, Q4 and 9 more

    Verified email available

  • Robert AntoniadesVerified

    Venture Capital, Private Equity Firm, Fund Of Funds · Canada

    Data IntegrationCybersecurityEnterprise SoftwareAndroid

    Portfolio: LendingFront, Sensibill, Knowtions Research, ThoughtExchange and 14 more

    Verified email available

  • Sanjiv ShahVerified

    Venture Capital, Private Equity Firm · United States

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Steve WongVerified

    Private Equity Firm · Hong Kong

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Tony LawVerified

    Venture Capital, Private Equity Firm

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Vinay MendirattaVerified

    Venture Capital, Private Equity Firm · United States

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Verified email available

  • Alex Tong

    Venture Capital, Fund Of Funds · Canada

    Series AData IntegrationCybersecurityEnterprise SoftwareTask Management

    Portfolio: LendingFront, Sensibill, Knowtions Research, ThoughtExchange and 15 more

    Contact details available

  • Ben Mason, CPA, CA, CFA

    Venture Capital, Investor · Canada

    SeedSeries ARemote Work TechTelecommunicationsE-commerceEnterprise Software

    Portfolio: CareGuide, Drop Technologies, Keyliving, SweetIQ Analytics and 21 more

    Contact details available

  • Michael Dean

    Venture Capital, Founder, Private Equity Firm · Australia

    SeedHealth CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Contact details available

  • Aiko Adachi

    Venture Capital, Private Equity Firm · Japan

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Contact details available

  • Alexander L. Mackinger

    Venture Capital, Private Equity Firm · United Kingdom

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Contact details available

  • Amanda Outerbridge

    Venture Capital, Private Equity Firm · United States

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Contact details available

  • Brooks Zug

    Venture Capital, Private Equity Firm · United States

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Contact details available

  • Cartus Chan

    Venture Capital, Private Equity Firm

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Contact details available

  • Corentin du Roy

    Venture Capital, Private Equity Firm · United Kingdom

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Contact details available

  • Daniel Brothman

    Venture Capital · Canada

    TelecommunicationsE-commerceEnterprise SoftwareTransportation

    Portfolio: CareGuide, Drop Technologies, Keyliving, SweetIQ Analytics and 21 more

    Contact details available

  • Daniel Israelsohn

    Venture Capital · Canada

    TelecommunicationsE-commerceEnterprise SoftwareTransportation

    Portfolio: CareGuide, Drop Technologies, Keyliving, SweetIQ Analytics and 21 more

    Contact details available

  • David Unsworth

    Venture Capital, Private Equity Firm, Fund Of Funds · Canada

    Data IntegrationCybersecurityEnterprise SoftwareAndroid

    Portfolio: LendingFront, Sensibill, Knowtions Research, ThoughtExchange and 14 more

    Contact details available

  • David Zug

    Private Equity Firm · United States

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Contact details available

  • Edward Holdsworth

    Venture Capital, Private Equity Firm · United Kingdom

    Health CareHospitalsEmailPayments

    Portfolio: National Cardiovascular Partners, Advance Health, Eaton, Genstar Capital and 92 more

    Contact details available

See all 74 Q4 investors

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Frequently asked questions

How many Q4 investors are on Angel Roster?

Angel Roster lists 74 Q4 investors. 24 of them (32%) include a verified email address.

What types of investors are they?

The most common investor types are Private Equity Firms (60), Venture Capital Firms (57) and Venture Debt Lenders (7). An investor can have more than one type, for example an angel who is also a venture partner.

Which stages do Q4 investors invest in?

Among those that list a stage, the most common are Series A (3) and Seed (3).

Where are Q4 investors based?

Most are based in Canada (21), the United States (20) and the United Kingdom (14).

Which companies have Q4 investors backed?

The most-backed portfolio companies among them are ThoughtExchange (63), Miovision Technologies (59), Clearbanc (59), Procurify (56) and Fivestars (53).

How do I contact Q4 investors?

Create a free Angel Roster account to search and filter all 74, then unlock verified emails and LinkedIn profiles on a paid plan. Every plan starts with a 3-day free trial.