John O. Marsh, Jr., is Professor at George Mason University School of Law. He is an integral part of the Marsh Institute for Government and Public Policy at Shenandoah University.
Marsh has been a Member of the Markle Task Force since 2006. He has contributed to the following reports produced by the Task Force: Implementing a Trusted Information Sharing Environment in 2006, Mobilizing Information to Prevent Terrorism in 2006, and Nation at Risk in 2009.