Margaret L. Loper, principal research scientist at Georgia Tech Research Institute and chief scientist of the Information Technology & Telecommunications Laboratory, has 23 years of experience in modeling and simulation. Projects include the Department of Defense High Level Architecture Federate Testing project, which consists of the process, tools, and procedures used for HLA compliance, and the HLA Federation Verification Tool used to assist federation developers during federation integration. Other projects include the M&S WebBook, Distributed Interactive Simulation Standards Development, and DIS compliance test procedures and tools. Current research interests include agent-based modeling for homeland security, cultural awareness modeling, causality and determinism in distributed systems, novel algorithms for temporal synchronization in parallel and distributed systems, and modeling methodologies. Loper earned a Ph.D. in computer science from Georgia Institute of Technology, a M.S. in computer engineering from the University of Central Florida, and a B.S. in electrical engineering from Clemson University.