Donald Closser

IronNet, Inc. engages in the provision of cyber security services through its collective defense platform. The company was founded by Keith Brian Alexander in 2014 and is headquartered in McLean, VA.

FireMon LLC designs, develops and delivers security software solutions. The firm provides enterprises, government and managed services providers with proactive security intelligence solutions that deliver deeper visibility and tighter control over their network security infrastructure. Its integrated solution suite security manager, policy planner and risk analyzer enables customers to identify network risk, proactively prevent access to vulnerable assets, clean up firewall policies, automate compliance, strengthen security throughout the organization and reduce the cost of security operations. The company was founded in 2004 and is headquartered in Overland Park, KS.