Notable Mills faculty include renowned book artists Kathy Walkup and Julie Chen; choreographer and performer Molissa Fenley; experimental musicians/composers/performers Maggi Payne, Chris Brown, Fred Frith, Roscoe Mitchell; Y.A. author Kathryn Reiss; poet and editor Juliana Spahr; computer scientist Ellen Spertus; and artist/photographer Catherine Wagner.[55] Nearly 75% of Mills faculty hold the highest degrees in their field; approximately 70% are women, and over one-third are faculty of color.[56] Mills faculty from all areas of study work closely with undergraduate and graduate students, collaborating on scientific research, art preservation, academic papers, and journal articles.[57]