Mr. Gregory L. Garcia was selected for the Senior Executive Service in March 2005. He assumed the Deputy Chief Information Officer (CIO)/ G-6 position in October 2018. As the Deputy CIO/G-6, Mr. Garcia oversees a $10 billion investment portfolio for implementation of an enterprise network infrastructure and strategy that deliver a responsive, effective, secure, collaborative […]

Del Castillo

Supervisory Special Agent Dewayne Sharp has been with the Federal Bureau of Investigation for more than 18 years. He started his career in 2001 as a Special Agent in Chicago conducting counterintelligence investigations. He investigated foreign intelligence officers trying to steal the nation’s secrets. He was subsequently assigned to economic espionage and technology transfer investigations […]


Dr. Nathaniel J. Fuller is a Scientist Expert/Consultant for General Dynamics Information Technology (GDIT) and a Visiting Professor/Researcher for Purdue University. Dr. Fuller designed and led Agent Based Modeling (ABM) prototypes for the Department of Statistical Science at Duke University. As a Computer Scientist for the National Security Agency (NSA) from 2008 to 2015, Dr. […]


Ms. Bean is responsible for the development and deployment of cloud-based enterprise infrastructure solutions. Her portfolio includes DISA’s first cloud offering, milCloud 1.0, as well as the newly deployed, commercially owned and operated milCloud 2.0. Throughout her DISA career, Ms. Bean has served in a variety of program management roles, developing and sustaining mission critical […]


Colonel (Retired) Bobby Saxon is the Chief Technology Officer for the Center for Consumer Information and Insurance Oversight (CCIIO), Centers for Medicare and Medicaid Service (CMS). Colonel Saxon is responsible for leading the architecting, development, and implementation for all information technology services for the Insurance Marketplace. Colonel Saxon has over 25 years of information technology […]


R. Dennis Gibbs serves as the Senior Director of Application Services with the Intelligence Solutions Division of General Dynamics Information Technology. In this role, Mr. Gibbs leads solutioning efforts for software development programs in the Federal Government space, focused on agile development and cloud. With more than 30 years of experience, Mr. Gibbs has focused […]