Sean Judge photo
Investor profile

Sean Judge

General Partner, Castle Island Ventures

About

Sean Judge is a general partner at Castle Island Ventures who focuses specifically on financial market infrastructure, consumer fintech, and applications powered by public blockchains, combining traditional finance expertise with on-chain use cases. He brings an unusually deep background in mainstream financial markets from his pre-crypto career in tech investing, private equity, and financial institutions investment banking, and actively writes detailed analysis of U.S. crypto regulation paired with predictions about how policy shifts will affect specific infrastructure categories and startup formation. Sean Judge is a general partner at Castle Island Ventures who focuses specifically on financial market infrastructure, consumer fintech, and applications powered by public blockchains, combining traditional finance expertise with on-chain use cases. He brings an unusually deep background in mainstream financial markets from his pre-crypto career in tech investing, private equity, and financial institutions investment banking, and actively writes detailed analysis of U.S. crypto regulation paired with predictions about how policy shifts will affect specific infrastructure categories and startup formation.

Works at

Investment focus

Stages
Pre-Seed
Seed
Series A
Sectors
Web3
Crypto
FinTech
Devtools
Data
Cybersecurity

Investment details

Avg check size$100K - $5M
Can lead rounds
Yes
Geographies
USA