Dr. Peter S. Sapaty leads Distributed Knowledge Processing Group at the University of Surrey, UK. He is also Chairman of the Special Interest Group on Mobile Cooperative Technologies within the Distributed Interactive Simulation project in US sponsored by STRICOM, DMSO, and the Institute of Simulation and Training of the University of Central Florida. His current research interests include models of highly parallel and distributed computing in open networks and their application to distributed interactive simulation, distributed virtual reality, computer aided design, and art.