Mark E. de Jong

Mark de Jong joined the U.S. Naval War College in 2025 as director of the Henry E. Eccles Library and as an associate professor. He most recently worked at the U.S. Naval Academy's Nimitz Library in Annapolis, MD and at the National Library of Medicine in Bethesda, MD. He earned a doctorate in management with a focus in higher education leadership and a master's in history in addition to his library degree. Mark taught in multiple University System of Maryland institutions as an adjunct for twenty-two years, first in history and then in management/leadership.