Mark S. Roosa

Mark S. Roosa is Dean of libraries at Pepperdine University, where he directs libraries on the Malibu campus and throughout the Los Angeles area. Prior to joining the University in 2004, Dr. Roosa was director for preservation at the Library of Congress in Washington, DC, where he was responsible for the activities of the Preservation Directorate's five divisions and two special programs, which together provided care for more than 128 million items in a variety of formats. 

He previously served as chief conservation officer at the Huntington Library, Art Museum, and Botanical Gardens in San Marino, California, where he directed a program to care for an extensive collection of rare books, manuscripts, photographs, and works on paper about American history and literature, Western Americana, and the history of science. Before joining the Huntington, Dr. Roosa was preservation officer at the University of Delaware Library. He maintains a lifelong passion for libraries, research, learning, and the preservation of the cultural record, as embodied in communities of practice and across all media.