Dr. Peiya Liu is a senior member of technical staff at Multimedia Documentation Program, Siemens Corporate Research, Inc. He has many years of experience in applications of multimedia documents in industrial environments. His primary interests are in the areas of multimedia document authoring/processing/management, multimedia tools, innovative industrial applications and standards. He was one of program co-chairs for the first joint IEEE International Conference on Multimedia and Expo and has served as a program committee member in many conferences. He is currently the standards section editor of IEEE Multimedia and on the editorial board of Kluwer Journal of Multimedia Tools and Applications.