Yehuda Naveh IBM Haifa Research Laboratory, Haifa University Campus, Haifa 31905, Israel (navehil.ibm.com). Dr. Naveh received a B.S. degree in physics and mathematics, an M.S. degree in experimental physics, and a Ph.D. degree in theoretical physics, all from the Hebrew University of Jerusalem, Israel. He joined IBM Research in 2000 after working for four years as a research associate at Stony Brook University in New York. His current research interests include the theory and practice of constraint programming and the theory and practice of workforce optimization.

Yossi Richter IBM Haifa Research Laboratory, Haifa University Campus, Haifa 31905, Israel (richteril.ibm.com). Dr. Richter received a B.A. degree in computer science and economics, and M.S. and Ph.D. degrees in computer science specializing in algorithms, all from Tel Aviv University, Israel. Since 2005, he has been a Research Staff Member at the IBM Haifa Research Laboratory, working on the theory and practice of constraint programming.

Yaniv Altshuler IBM Haifa Research Laboratory, Haifa University Campus, Haifa 31905, Israel (yanivalil.ibm.com). Mr. Altshuler received a B.A. degree in computer science from the Israeli Institute of Technology (IIT), the Technion, under the framework of the Chais Family Foundation Technion Excellence Program. He is currently a Ph.D. candidate in the computer science department of IIT, where he specializes in multiagent systems in dynamic environments and swarm intelligence. In 2004 Mr. Altshuler joined the IBM Research Division, where he works on constraint satisfaction and optimization problems.

Donna L. Gresh IBM Research Division, Thomas J. Watson Research Center, P.O. Box 218, Yorktown Heights, New York 10598 (greshus.ibm.com). Dr. Gresh received her B.S. degree in engineering in 1983 from Swarthmore College and her M.S. and Ph.D. degrees in electrical engineering in 1985 and 1990 from Stanford University, where she studied the rings of Uranus using data from the spacecraft Voyager. She joined the IBM Thomas J. Watson Research Laboratory as a Research Staff Member in 1990 and spent twelve years conducting research in scientific and information visualization. Since 1992, Dr. Gresh has been a member of the Mathematical Sciences Department, with research interests in the area of workforce optimization.

Daniel P. Connors IBM Research Division, Thomas J. Watson Research Center, P.O. Box 218, Yorktown Heights, New York 10598 (dconnorsus.ibm.com). Dr. Connors received his B.S.E. degree in electrical engineering from the University of Michigan in 1982, and his M.S. and Ph.D. degrees in electrical engineering from the University of Illinois in 1984 and 1988, respectively. Since 1988, he has been a Research Staff Member at the IBM Thomas J. Watson Research Center. Dr. Connors has worked on modeling, simulating, and designing business processes and developing decision support tools for manufacturing and supply chain logistics. He is a member of the Mathematical Sciences Department at the Research Center, where he is currently working on developing business processes and workforce management optimization tools.