Walter W. PiegorschWalter W. Piegorsch is the Director of Statistical Research and Education at the University of Arizona's BIO5 Institute. He is also a Professor of Mathematics, Professor of Public Health, and former Chair of the University's Graduate Interdisciplinar Program in Statistics, and he holds accreditation as a Professional Statistician from the American Statistical Association. His research focuses on environmental data analytics, with emphasis on environmental hazards and risk assessment. He is the editor-in-chief of the journal Environmetrics, former joint-editor of the Journal of the American Statistical Association (Theory and Methods Section) and has served on numerous other editorial and scientific review boards. His most recent book is Encyclopedia of Environmetrics, 2nd edition (2012). Read More Read Less