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Sean Judge

Sean Judge

Unclaimed
General Partner, Castle Island VenturesCastle Island VenturesCambridge, MA

Current Firm

Castle Island Ventures

Focus

Web3, Fintech

About Sean Judge

Sean Judge is a General Partner at Castle Island Ventures, a venture capital firm focused on identifying and supporting innovative companies in high-growth technology sectors. With a strategic investment focus spanning Web3, Fintech, DevTools, and Cybersecurity, Judge brings expertise in identifying transformative opportunities at the intersection of emerging technologies and critical business needs. At Castle Island Ventures, he works to support founders building the next generation of solutions in decentralized finance, financial technology infrastructure, developer tools, and security technologies. His investment thesis emphasizes backing teams and technologies that address fundamental challenges in their respective domains, with a particular interest in projects that demonstrate both technical rigor and significant market potential.

Focus Areas

Investment Stage

Pre-Seed
Seed
Series A
Series B+

Other Investors at Castle Island Ventures

Hunter Merghart
Hunter Merghart

Venture Partner, Castle Island Ventures

Castle Island Ventures

Matthew Walsh headshot
Matthew Walsh

Founding Partner, Castle Island Ventures

Castle Island Ventures

Ria Bhutoria headshot
Ria Bhutoria

General Partner, Castle Island Ventures

Castle Island Ventures

View full team →

Investment Profile

Sean Judge is a General Partner, Castle Island Ventures at Castle Island Ventures, based in Cambridge, MA.

Sean's investment focus spans Web3, Fintech, DevTools, Cybersecurity, primarily investing at the Pre-Seed, Seed, Series A, Series B+ stages. This specialization allows for deep domain knowledge and strong network effects that benefit portfolio companies.

Frequently Asked Questions

Who is Sean Judge?

Sean Judge is a General Partner, Castle Island Ventures at Castle Island Ventures, based in Cambridge, MA. Their investment focus includes Web3, Fintech, DevTools.

What does Sean Judge invest in?

Sean Judge focuses on investments in Web3, Fintech, DevTools, Cybersecurity through Castle Island Ventures. These focus areas reflect their domain expertise and the types of startups they actively seek to back.

What firm is Sean Judge at?

Sean Judge is currently at Castle Island Ventures, headquartered in Cambridge, MA, serving as General Partner, Castle Island Ventures.

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