Michael Sutton

Active Investor

Angel investor in Arlington

Arlington, Virginia

Michael Sutton, Angel investor in Arlington is an active investor based in Arlington, Virginia. This profile covers what Michael Sutton backs, at which stage, and how founders can reach out in 2026.

Mr. Michael Sutton is a Co-Founder and serves as General Partner at Runtime Ventures. He serves as a Partner & Member of the Cyber Investment Committee and Cyber Fund Investment Committee at Blu Venture Investors. He serves as a Board member at GreyNoise Intelligence and Keeps Aware. He served as an Advisor at Oxeye and Valence Security. He serves as a Venture Advisor at YL Ventures. He serves as an Advisor at Grip Security. He was the founder of StoneMill Ventures. He also serves as an Executive at Runtime Ventures. He served as a Board Member at Syncurity and Attila Security. He was previously the CISO at Zscaler, a company that has pioneered security-as-a-service. As a member of the founding team of Zscaler, he spent a decade building the research team, driving the security model, and evangelizing the vision, taking the company from stealth mode to IPO. Before Zscaler, he helped build two other pioneering security startups - SPI Dynamics (acquired by HP) and iDEFENSE (acquired by VeriSign). He holds a Master's degree in Science in System Development from the George Washington University. He holds a Bachelor's degree in Commerce in Accounting from the University of Alberta.

Notable investments

Sublime SecurityOpus SecurityiDefense/VeriSignValence SecurityrunZeroFerootTrackOFFSecurityTrailsKeep AwareGrip SecurityAttila SecurityOxeye