Joe Sullivan Joins Manifold Security’s Board of Directors

Manifold Security has appointed Joe Sullivan, former Chief Security Officer at Facebook, Uber and Cloudflare, to its Board of Directors. With more than three decades of cybersecurity experience, Sullivan brings deep expertise in building security programs at global technology companies.

An early investor in Manifold, Sullivan joins as the company expands its platform for securing AI agents across endpoints, browsers, desktop applications and cloud environments. His appointment supports Manifold’s mission to give enterprises visibility and control over AI agent activity, helping teams govern behavior and respond to threats in real time.

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