He received his B.S. degree in computer science and information engineering from National Chiao Tung University. He also holds M.S. degree in computer science and both MPhil and PhD. degrees in industrial engineering and operations research from Columbia University. His research interests include electronic catalogs, IT-based supply chain management, Web information retrieval, and enterprise resource planning (ERP). Dr. Yen has collaborated with international companies in the U.S. and Asia, such as Siemens, Bell Labs, Daran Eastman, etc.