Gregory Tassey is Senior Economist for the National Institute of Standards and Technology. His major fields of research are the economics of innovation, technology-based economic growth policies, and R&D program impact analysis. Dr. Tassey has a B.A. in physics from McDaniel College and a Ph.D. in economics from The George Washington University. He has published 35 articles in policy and economics journals and written four books, the most recent being The Technology Imperative.