Larry B. Rainey is a retired U.S. Air Force Research and Development Officer. Following his retirement from the Air Force he went to work for The Aerospace Corporation and various Department of Defense contractors. He has taught Spacecraft Design at the Air Force Institute of Technology, the graduate school of the Air Force and has taught modeling and simulation courses at Colorado Technical University and the University of Colorado at Colorado Springs.

Thomas O. Holland is a Principal Research Engineer at the Georgia Tech Research Institute (GTRI) Information and Controls Laboratory. Prior to joining GTRI Dr. Holland was the senior strategist for modeling and simulation at the Naval Surface Warfare Center in Dahlgren Virginia, Chief Engineer for the Marine Corps Framework for Assessing Cost and Technology, and member of the Assistant Secretary of the Navy Research, Development, and Acquisition Modeling & Simulation Leadership Council.