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.