John Ennis is a former Naval Officer and a 2002 graduate of the U.S. Naval Academy, serving six and a half years as a Surface Warfare Officer. John last served in uniform as Chief Speechwriter to the Deputy Chief of Naval Operations at the Pentagon. Additionally, he was co-author of A Cooperative Strategy for 21st Century Seapower, a document that remains the guiding doctrine for US Global Maritime Operations. His first sea tour was as Communications Officer aboard USS OAK HILL (LSD 51), and he went on to serve aboard USS BULKELEY (DDG 84), where he was the Damage Control Assistant. This tour included a deployment to the Persian Gulf and extensive multi-national operations.

After serving, John got his start in industry with Lockheed Martin where he was responsible for selling their weapons portfolio internationally. After Lockheed, he worked with IBM, Microsoft, Gartner, and Appian serving DoD customers. Along with his Naval Academy classmates, he co-wrote the 2012 Los Angeles Best Seller, In the Shadow of Greatness and has been featured in TIME Magazine online. The book chronicles the unique contributions of the Naval Academy Class of 2002 to global security as the first class to graduate following 9/11. Endorsed by Tom Brokaw with a foreword by David Gergen, the project donates 100% of profits to Veterans Organizations.

John currently resides in Reston, VA and enjoys riding his bike on the W&OD Trail, playing pickup basketball games, writing and reading.