Castle Investors

16 investors on Angel Roster list Castle in their portfolio. Most are angel investors and venture capital firms, the most common stage is Seed and the largest groups are based in the United States, Sweden and Canada.

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

Investors listed
16
With verified email
56%
Most common stage
Seed
Top location
United States

Updated October 13, 2026 · How we compile this data

Top 16 Castle investors

The most complete profiles first. Showing 16 of 16.

  • Bernard MoonVerified

    Venture Capital, Private Equity Firm, Angel/Individual · United States

    SeedPre-SeedCybersecurityEnterprise SoftwareTransportationArtificial Intelligence (AI)

    Portfolio: Memebox, Castle, Mi Media Manzana, Orange Chef and 26 more

    Verified email available

  • Hampus JakobssonVerified

    Venture Capital, Angel/Individual, CEO · Sweden

    SeedPre-SeedScandinavia-based StartupsSweden-based StartupsClean Technology

    Portfolio: Vint, nok, GenieBelt, Infarm and 48 more

    Verified email available

  • Kal VepuriVerified

    Venture Capital, Angel/Individual, Investment Partner · United States

    SeedHealth CareHospitalsData ScienceE-commerce

    Portfolio: Quartet Health, Atrium, MileWise, Forward and 102 more

    Verified email available

  • Matt HayesVerified

    Venture Capital, Entrepreneurship Program, Founder · United States

    SeedEarly Stage VentureHealth CareComputer VisionWellnessWomen Founded

    Portfolio: Thunkable, Talla, CoachUp, Powerhouse Dynamics and 55 more

    Verified email available

  • Brent MacDonaldVerified

    Venture Capital, Private Equity Firm, Micro VC · United States

    Health CareTelecommunicationsWomen FoundedEnterprise Software

    Portfolio: Precision NanoSystem, Ledger Investing, Swivl, Dapper Labs and 45 more

    Verified email available

  • David MartiranoVerified

    Venture Capital · United States

    Health CareComputer VisionWellnessWomen Founded

    Portfolio: Thunkable, Talla, CoachUp, Powerhouse Dynamics and 55 more

    Verified email available

  • Johan LorenzenVerified

    Angel/Individual, Investor · Denmark

    SeedPre-SeedEarly Stage VentureCybersecuritySoftwareFinTech

    Portfolio: Kuda, LiveFlow, The Many, Grandhood and 3 more

    Verified email available

  • Roham Gharegozlou

    Angel/Individual · Canada

    SeedAdvertisingData ScienceE-commercePayments

    Portfolio: KYCK, PostRocket, ecomom, Blink and 22 more

    Contact details available

  • Arie van Gemeren

    Venture Capital, Micro VC · United States

    Health CareTelecommunicationsWomen FoundedCryptocurrency

    Portfolio: Precision NanoSystem, Ledger Investing, Swivl, Dapper Labs and 45 more

    Contact details available

  • Joe Kell

    Venture Capital, Private Equity Firm, Micro VC · United States

    Health CareTelecommunicationsWomen FoundedEnterprise Software

    Portfolio: Precision NanoSystem, Ledger Investing, Swivl, Dapper Labs and 45 more

    Contact details available

  • Henrik TorstenssonVerified

    Angel/Individual · Sweden

    SeedEarly Stage VentureWeb BrowsersEnterprise SoftwareSoftwareSaaS

    Portfolio: Fishbrain, Sparta, Castle

    Verified email available

  • Zack UrlockerVerified

    Angel/Individual, Investment Partner · United States

    SeedCybersecurityFinTechConsumer InternetRisk Management

    Portfolio: ERPLY, Castle

    Verified email available

  • Ben Holzman

    Venture Capital, Angel/Individual, CEO · United States

    SeedPre-SeedCybersecurityEnterprise SoftwareCloud ComputingFinTech

    Portfolio: Rapid7, Stackdriver, Castle

    Contact details available

  • Anders Frankel

    Angel/Individual · Sweden

    SeedCybersecurityInfrastructureAnalyticsVideo

    Portfolio: Greta, Castle

    Contact details available

  • Ludwig Pettersson

    Angel/Individual · United States

    SeedHealth CareWellnessHardware

    Portfolio: Eight Sleep, Castle

    Contact details available

  • Anand Subramani

    Angel/Individual · United States

    Intelligent SystemsBankingArtificial Intelligence (AI)Tech

    Portfolio: Charlie Finance Co., Yup.com, Castle

    Contact details available

Frequently asked questions

How many Castle investors are on Angel Roster?

Angel Roster lists 16 Castle investors. 9 of them (56%) include a verified email address.

What types of investors are they?

The most common investor types are Angel Investors (11), Venture Capital Firms (9) and Private Equity Firms (4). An investor can have more than one type, for example an angel who is also a venture partner.

Which stages do Castle investors invest in?

Among those that list a stage, the most common are Seed (11), Pre-Seed (4) and Early Stage Venture (3).

Where are Castle investors based?

Most are based in the United States (11), Sweden (3) and Canada (1).

Which companies have Castle investors backed?

The most-backed portfolio companies among them are Messari (4), Astranis (4), OneName (4), AdStage (4) and Teampay (4).

How do I contact Castle investors?

Create a free Angel Roster account to search and filter all 16, then unlock verified emails and LinkedIn profiles on a paid plan. Every plan starts with a 3-day free trial.