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Castle Island Ventures Employee Directory

Venture Capital and Private Equity PrincipalsMassachusetts, United States11-50 Employees

Castle Island Ventures is a Boston-based venture capital and private equity firm focused on public blockchain and cryptoasset opportunities. Its portfolio activity reflects an emphasis on early-stage and growth investments in crypto-native startups and infrastructure, aiming to support projects that advance Web3 technologies and decentralized ecosystems. The firm positions itself within the venture capital landscape by backing companies across the crypto and blockchain space from its Boston office, leveraging its specialization to identify and nurture ventures at the intersection of finance and distributed technologies. While the overarching objective is to enable innovative blockchain-led solutions, the description focuses on its role as an investor and strategic partner rather than product offerings. Recent activity includes involvement in seed and early rounds for several crypto-focused companies, demonstrating ongoing engagement with a range of early-stage projects in the sector.

Find Castle Island Ventures employees' phone numbers or email addresses

Castle Island Ventures Global Highlights

Location
Employees

North America
9

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  • United States Of America
    9

Asia
1

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  • Bangladesh
    1

South America
1

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  • Brazil
    1

Castle Island Ventures's Leadership

  • Chief Legal Officer at Castle Island Ventures
    G. C.
    Chief Legal Officer
  • Chief Financial Officer at Castle Island Ventures
    G. M.
    Chief Financial Officer
  • Founding Partner at Castle Island Ventures
    M. W.
    Founding Partner
  • General Partner at Castle Island Ventures
    R. S.
    General Partner
  • Interim Controller at Castle Island Ventures
    J. C.
    Interim Controller
  • Venture Partner at Castle Island Ventures
    H. M.
    Venture Partner
  • Investor at Castle Island Ventures
    W. K.
    Investor
  • Executive Assistant at Castle Island Ventures
    L. L.
    Executive Assistant

Castle Island Ventures Employee Metrics

100%
50%
0%
2026
2025
  • Entrepreneurship
  • Community & Social Services
  • Accounting
  • Other

Contact profiles from Castle Island Ventures

Name
Title
Contact
Location
Last Update
  • Chief Legal Officer at Castle Island Ventures
    G. C.
    Chief Legal Officer
    United States, Massachusetts
    Mar 25, 2026
  • Founding Partner at Castle Island Ventures
    M. W.
    Founding Partner
    United States, Massachusetts
    Mar 20, 2026
  • General Partner at Castle Island Ventures
    R. S.
    General Partner
    United States, New York
    Apr 14, 2026
  • Chief Financial Officer at Castle Island Ventures
    G. M.
    Chief Financial Officer
    United States, Massachusetts
    Apr 14, 2026
  • Interim Controller at Castle Island Ventures
    J. C.
    Interim Controller
    United States, New York
    Mar 24, 2026
  • Venture Partner at Castle Island Ventures
    H. M.
    Venture Partner
    United States, New York
    Apr 09, 2026
  • Investor at Castle Island Ventures
    W. K.
    Investor
    United States, Massachusetts
    Apr 17, 2026
  • Executive Assistant at Castle Island Ventures
    L. L.
    Executive Assistant
    United States, Massachusetts
    Dec 19, 2025

Frequently Asked Questions

What is Castle Island Ventures known for?

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Castle Island Ventures was founded in 2018 and operates in the Venture Capital and Private Equity Principals industry. Explore Castle Island Ventures's company overview page for more information.

What is Castle Island Ventures's most common email format?

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Castle Island Ventures employees' email format typically follows the pattern of First@castleisland.vc. Trying to find reliable and up-to-date employee contact data? Find more Castle Island Ventures email formats with LeadIQ.

How many employees does Castle Island Ventures have currently?

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Castle Island Ventures has approximately 13 employees as of August 2026. These team members are located across 3 continents, including North America, Asia and South America.

Who are Castle Island Ventures's key employees and leadership?

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As of August 2026, Castle Island Ventures's key employees include:

  • Chief Legal Officer: G. C.
  • Chief Financial Officer: G. M.
  • Founding Partner: M. W.
  • General Partner: R. S.
  • Interim Controller: J. C.

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