John Castellaw is president of the Crockett Policy Institute (CPI) a non-partisan policy and research organization headquartered in Tennessee. Prior to CPI, Castellaw served in the Marines for 36 years holding several operational commands and flying more than two dozen different aircraft including the CH-46E Sea Knight, the TAV-8B Harrier and the MV-22B Osprey.
His duties included service with the UN during the Siege of Sarajevo, command of a U.S. joint force in an Australian-led multi-national security and stability operation in East Timor, and as the chief of staff for the U.S. Central Command at the height of the war in Iraq. Other service included assignments ashore and aboard ship in Africa, Europe, the Asia-Pacific and the Middle East. His last tours on active duty were in the Pentagon where he oversaw Marine Aviation and, later, the Marine Corps budget creation and execution.
In 2008 he retired and returned to Crockett County, Tennessee and to the family farm from where he remains involved in national security issues. In addition to CPI, he is on the National Security Advisory Council of the U.S. Global Leadership Coalition and is a teaching fellow in the College of Business and Global Affairs at the University of Tennessee, Martin. He serves on several boards, works with economic development organizations, and advises corporations on management and strategic planning. Castellaw is completing his final term as National Commander of the Marine Corps Aviation Association.