Greg Parlier is a retired U.S. Army colonel. A career Air Defense Artillery officer and combat veteran with multiple tours in the 82nd Airborne Division, he served on the West Point faculty as an engineering management instructor and assistant professor of operations research. His advanced degrees are in operations research, systems engineering, and national security studies. Greg was a National Defense Fellow at MIT and concluded his military career as deputy commander for transformation at U.S. Army Aviation and Missile Command. He is currently an independent consultant and member of the adjunct research staff at the Institute for Defense Analyses (IDA).