Kevin Joo
Co-Founder & CTO at Operator
New York, New York, United States
Summary
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Senior🎓
Top SchoolKevin Joo is a serial founder and technical leader with a decade of experience building privacy-preserving, decentralized infrastructure and fintech products. As Co-Founder & CTO of Operator and Trimwire (Y Combinator W20), he blends systems-level engineering with product intuition to deliver secure, real-time finance and AI tooling that integrates into existing stacks. His background spans data science and biomedical engineering—designing microfluidic devices and HIPAA-compliant APIs—bringing rigorous scientific discipline to software architecture and ML privacy. Kevin is comfortable shipping across the stack, from low-level research prototypes to production-grade APIs and dashboards, and often focuses on practical decentralization and cost-control features that users actually adopt. Based in New York, he pairs academic training from Johns Hopkins with startup grit to turn complex technical problems into usable products.
10 years of coding experience
9 years of employment as a software developer
W20, W20 at Y CombinatorJohns Hopkins University
English, Korean, SpanishGithub contributions (5)
kevinj507/TrustPain
Apr 2017 - Jul 2017
Contributions:19 commits, 15 pushes, 1 branch in 2 months
kevinj507/DiaBlock
Apr 2017 - Oct 2017
Contributions:2 pushes, 1 branch in 6 months
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