A new era in email security

Sublime stops more email attacks with less work. Our agentic platform protects, adapts, and responds in real-time, eliminating vendor bottlenecks.

Trusted by leading security teams

We built Sublime to stop the next generation of attacks by empowering security teams with an autonomous defense that detects, triages, and adapts at adversary speed, with the transparency and control that enhances work instead of creating friction.

Josh Kamdjou
Founder & CEO, Sublime

Meet our leadership

Josh Kamdjou
Founder & CEO

Josh started working for the DoD in high school and spent 10 years engaged in various offensive cyber initiatives and red teaming in the private sector. Phishing was always the fastest way for him to gain access to a network. He started Sublime to build a product that would stop him.

Josh holds a B.Sc. in Computer Science from the University of Maryland. He lives in Washington, D.C. and enjoys weight lifting and spending time with family.

Ian Thiel
Founder & COO

lan was an early product and growth leader at Optimizely, where he led global go-to-market for new products. Most recently, he ran growth, marketing, and partnerships at Alto.

lan holds an M.Sc. in Management from Babson College and a B.Sc. in Economics and Mathematics from York College of Pennsylvania and enjoys hiking, running, and reading.

Colin Jones
President

Colin has worked in cybersecurity for over a decade. Prior to Sublime, he built his chops at several highly successful companies such as BigFix, Duo Security, and most recently as Chief Revenue Officer of Wiz.

Built and backed by security experts

We built Sublime Security to put defenders in control because no one knows your network better than you do.

Our platform is backed by world-class investors and guided by leaders from some of the most respected names in cybersecurity and technology. Together, they bring the expertise, insight, and conviction to help us stop the threats others miss.

Investors

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