Dr. Darrell D. E. Long is Distinguished Professor of Engineering emeritus at the University of California, Santa Cruz. He held the Kumar Malavalli Endowed Chair of Storage Systems Research. He was Director of the Storage Systems Research Center and its follow-on, the Center for Research in Systems and Storage. He has authored highly cited research papers on web caching, distributed file systems, power-aware hard disk management in mobile computing, and low-bandwidth multicast techniques for video on demand, among other topics.He received his B.S. degree in Computer Science from San Diego State University and his M.S. and Ph.D. from the University of California, San Diego. His dissertation advisor was Jehan-François Pâris. While in graduate school and before joining the University of California, Santa Cruz, he was a lecturer in Mathematics at San Diego State University and taught at the University of California, San Diego.In 2006, he was elevated to Fellow of the Institute of Electrical and Electronics Engineers (IEEE) "for contributions to storage systems architecture and performance". In 2008 he was inducted as a Fellow of the American Association for the Advancement of Science (AAAS). He is a member of the IEEE Computer Society, the Association for Computing Machinery, the American Society for Engineering Education, the Usenix Association, Upsilon Pi Epsilon, and Sigma Xi.He has held visiting faculty positions at the Université Paris—Dauphine (Paris IX), the Conservatoire National des Arts et Métiers, the Université Paris—Descartes (Paris V), the University of Technology, Sydney, the Center for Communications Research, the United States Naval Postgraduate School and is Professor ad Honorem de la Universidad Católica del Uruguay. He was an Associate Member of the European Organization for Nuclear Research (CERN).