Marc Walton currently holds the position of Research Associate Professor of Materials Science and Engineering in the McCormick School of Engineering and Applied Science at Northwestern University. He was trained in Chemistry and Art History at Clark University. He earned a D.Phil. from the University of Oxford in archaeological science following an MA in art history, as well as a diploma in the conservation of works of art, from the Institute of Fine Arts, New York University. After earning his Ph.D, Marc worked at the Los Angeles County Museum of Art for two years prior to joining the Getty Conservation Institute in 2005, where he was an associate scientist responsible for the scientific study of antiquities at the J. Paul Getty Museum. In addition, he established and ran the analytical laboratory at the Getty Villa site, and served as co-PI on a National Science Foundation Cultural Heritage Science grant on ancient Athenian pottery. His research has focused primarily on trade and manufacture of ancient objects.