Kostas Magoutis IBM Research Division, Thomas J. Watson Research Center, P.O. Box 704, Yorktown Heights, New York 10598 (magoutisus.ibm.com). Dr. Magoutis is a Research Staff Member in the Services Research Department at the IBM T. J. Watson Research Center. His research interests are in distributed systems, storage systems, and IT services. Recently, he has been working on modeling and management of distributed middleware systems, self-regulating, high-speed access to network storage systems, and improving the design and delivery of IT services. He holds a Ph.D. degree in computer science from Harvard University.

Murthy Devarakonda IBM Research Division, Thomas J. Watson Research Center, P.O. Box 218, Yorktown Heights, New York 10598. Dr. Devarakonda is a Senior Manager and Research Staff Member in the Services Research department at the IBM T. J. Watson Research Center. He received his Ph.D. degree in computer science from the University of Illinois at Urbana–Champaign in 1988. Presently, his research is focused on distributed file systems, Web technologies, storage and systems management, and now services computing. He received three IBM Research Division Awards for his work on distributed file systems and Global Technology Outlook development. Dr. Devarakonda is a Senior Member of the IEEE and the ACM.

Nikolai Joukov IBM Research Division, Thomas J. Watson Research Center, 19 Skyline Drive, Hawthorne, New York 10532 (njoukovus.ibm.com). Dr. Joukov is a Research Staff Member in the Services Research department at the IBM T. J. Watson Research Center. He received an M.S. degree in physics from Moscow State University, Russia, in 2000, and M.S. and Ph.D. degrees in computer science from Stony Brook University in 2003 and 2006, respectively. He subsequently joined IBM at the Thomas J. Watson Research Center, where he is working on storage-related services problems.

Norbert G. Vogl IBM Research Division, Thomas J. Watson Research Center, P.O. Box 218, Yorktown Heights, New York 10598 (voglus.ibm.com). Mr. Vogl holds degrees in mathematics and computer science from Clarkson and Penn State Universities. He develops service and application prototypes, and his experience includes decision support for storage allocation, IT in the small and medium business sector, bulk file delivery via satellite communication systems, video and data transmission over residential broadband, and workflows of intraenterprise electronic commerce.