Marc P. Armstrong is Professor and Chair of the Department of Geography at The University of Iowa where he also holds an appointment in the Graduate Program in Applied Mathematical and Computational Sciences.  Professor Armstrong is a Collegiate Fellow (2005-2010) in The University of Iowa's College of Liberal Arts and Sciences, as well as an Administrative Fellow in the same unit (2005-2007). Armstrong's Ph.D. is from the University of Illinois at Urbana-Champaign.  A primary focus of his research is on the use of parallel processing to improve the performance of analysis methods used in spatial decision support systems.  Other active areas of interest are in mobile computing, privacy aspects of geo-spatial technologies, and evolutionary computation.  Dr. Armstrong has served as North American Editor of the International Journal of Geographical Information Science, Associate Editor of Cartography and Geographic Information Systems, co-director of Auto-Carto 11 and as Conference Chair for GIS/LIS '94.  He now serves on the editorial boards of International Journal of Geographical Information Science, Cartography and Geographic Information Science, Geoinformatica and Geographical Analysis. Dr. Armstrong has published more than 100 academic papers including articles in a wide variety of peer-reviewed journals such as Annals of the Association of American Geographers, Environment and Planning A, B & C, Photogrammetic Engineering and Remote Sensing, Geographical Analysis, Geographical Systems, Journal of the Urban and Regional Information Systems Association, Statistics and Medicine, Mathematical Geology, Computers & Geosciences, International Journal of Geographical Information Science, Computers, Environment and Urban Systems,
and Journal of the American Society for Information Science.