Henry J. Sienkiewicz is the former Chief Information Officer (CIO) and Designated Authorizing Authority (DAA) for the Defense Information Systems Agency (DISA), the provider of information technology services for the U.S. Department of Defense (DoD), its mission partners, and the Executive Office of the President (EOP). In that role, he served as the senior decision authority and was personally liable for the cyber security posture of the DoD’s enterprise level networks and computing services, to include the White House Communications Agency (WHCA) and the Situation Room. He is currently the Chief Innovation and Revenue Officer at Secure Channels, an Orange County, California based encryption and authentication company, and an adjutant faculty member at Georgetown University. He had been a Fellow focused on cyber security at the Department of Homeland Security’s Borders, Trade, and Immigration Institute, which is part of the University of Houston.
Prior to joining federal service, Henry served as an executive with multiple technology companies, primarily in the travel industry. In 2013, ComputerWorld named Henry as a Premier100.
Henry is a best-selling author in cyber security and philosophy; his works concentrate on the intersection of technology and humanity. His most recent book is “The Art of Cyber Conflict,” an Amazon best-seller doctrinal piece that uses Sun Tzu’s “The Art of War” as a baseline to understand cyber.
Henry holds a Bachelor of Arts from the University of Notre Dame, and Masters of Science from the Johns Hopkins University.
Twitter: @hjsienkiewicz
LinkedIn: https://www.linkedin.com/in/henryjsienkiewicz
