Professor at the Wharton Business School of the University of Pennsylvania. He is internationally known for his pioneering work on forecasting methods. Most recently, his research activities have involved forecasting for terrorism and conflicts. He is author of Long-Range Forecasting, the most frequently cited book on forecasting methods. He is a co-founder of the Journal of Forecasting, the International Journal of Forecasting, the International Symposium on Forecasting, and forecastingprinciples.com. He is a co-developer of new methods including rule-based forecasting, causal forces for extrapolation, simulated interaction, structured analogies, and the “index method.” In addition to forecasting, Professor Armstrong has published papers on survey research, educational methods, applied statistics, social responsibility, strategic planning, and scientific peer review. A member of the Wharton Marketing Faculty since 1968, Professor Armstrong received his PhD in Management from Massachusetts Institute of Technology, his MS in Industrial Administration from Carnegie Mellon University, and his BS degree in Industrial Engineering and BA in Applied Science from Lehigh University.