Don Closser

Don Closser

Don Closser brings more than 30 years of industry experience to his position as Chief Product Officer for IronNet Cybersecurity. In this role, he is responsible for product strategy, innovation, and delivery of the security Software-as-a-Service (SaaS) solutions and services that bring the power of collective defense to  companies, industries, and nations. In addition, Don oversees IronNet’s Cyber Operations Center (CyOC) which provides expert monitoring, cyber threat hunting, and incident response for IronNet’s customers.

He joins IronNet from FireMon, where he held the position of Chief Product Officer responsible for product strategy and global solution delivery. Prior to FireMon, he led Trend Micro’s TippingPoint Network Security Group, acquired from Hewlett Packard Enterprise, where he delivered products to protect virtual and physical networks, applications, and data.  

Don brings a wide range of leadership experience with companies including Texas Instruments, Andersen Consulting, BMC Software, and Symantec.

Leading the Charge

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