Dr. David E. Johnson is a Senior Fellow at CSBA. Dave joined CSBA after eighteen years with the RAND Corporation, where he was a Principal Researcher. His work focuses on military innovation, land warfare, joint operations, and strategy. Dr. Johnson is also an adjunct professor at Georgetown University where he teaches a course on strategy and military operations and an Adjunct Scholar at the Modern War Institute at West Point. From June 2012 until July 2014, he was on a two-year loan to the United States Army to establish and serve as the first director of the Chief of Staff of the Army Strategic Studies Group.