root9B Holdings, Inc. provides cyber security, energy, and business advisory solutions. The firm operates its business through three segments: Cyber Solutions, Business Solutions and Energy Solutions. The Cyber Solutions segment provides cyber security and advanced technology training services, operational support and consulting services. The Business Solutions segment provides business advisory and consulting services and solutions primarily in the areas of risk, data, organizational change, and cyber, as well as in business process re-engineering and workflow analysis, business intelligence, data analytics, organizational effectiveness and system planning areas. The Energy Solutions segment designs and installs processes and automation to address energy regulation, strategy, cost and usage initiatives. The company was founded by Mark S. Elliott and Kevin J. Hasenfus in June 1995 and is headquartered in Phoenix, AZ.