John R. Ryan | |
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| Birth name | John Roy Ryan[1] |
| Born | August 15, 1945 Harrisburg, Pennsylvania, U.S. |
| Allegiance | United States |
| Service | United States Navy |
| Years of service | 1963–2002 |
| Rank | Vice Admiral |
| Commands | United States Naval Academy Patrol Wing 10 Patrol Squadron 31 Patrol Squadron 11 |
| Awards | Navy Distinguished Service Medal Defense Superior Service Medal (2) Legion of Merit (3) Meritorious Service Medal (3) Air Medal Navy Commendation Medal (3) |
| Other work | President, State University of New York Maritime College (2002–06) Chancellor, State University of New York (2006–07) President and CEO, Center for Creative Leadership (2007–2022) |
John R. Ryan (born August 15, 1945) is a retired United States Navy vice admiral who served as the Superintendent of the United States Naval Academy and as the Chancellor of the State University of New York. He most recently served as the CEO and President of Center for Creative Leadership, a non-profit organization focusing on leadership education and research.