Cho-yun HSU Cho-yun Hsu is professor emeritus at the University of Pittsburgh and holds the position of special distinguished research fellow at Academia Sinica in Taiwan. He is the author of numerous books, and his works Han Agriculture and Ancient China in Transition have played an important role in the study of Chinese agrarian history. In recent years, Professor Hsu has focused his research on analyzing corporate management issues from a historical perspective and using traditional Chinese wisdom to promote business success. He can be contacted at hsusun@yahoo.com.