Seth Demsey

Active Investor

Co-Founder & Co-Chief Executive Officer

Arlington, Virginia

Seth Demsey, Co-Founder & Co-Chief Executive Officer is an active investor based in Arlington, Virginia. This profile covers what Seth Demsey backs, at which stage, and how founders can reach out in 2026.

Mr. Seth Demsey is a Co-Founder & serves as Co-Chief Executive Officer at Corvex. Mr. Demsey is an Angel Investor. He is the driving force behind the company's technical vision and innovation. With three decades of experience, Seth has architected and operated highly impactful AI/ML and developer platforms at startups he's co-founded and for giants like NASA's Advanced Computational Concepts Lab, Microsoft, Google, and AOL / Yahoo!. He holds over 65 patents spanning high-performance computing, distributed systems, security, and data management. Seth is passionate about empowering developers and teams to push the boundaries of what's possible with AI-and building the infrastructure to make it real. He is an accomplished guitarist who knows a few things about Weezer.

Investor type: Angel
Stages: Early Stage Venture
Invests in: SaaS & Enterprise
Location: Arlington, Virginia
Typical check: $500K
Past investments: 2

Notable investments

Second Chance TechnologiesPathmatics

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