Laurent Balmelli  IBM Research Division, Thomas J. Watson Research Center, 19 Skyline Drive, Hawthorne, New York, 10532 (balmellius.ibm.com). Dr. Balmelli is a research staff member at the Watson Research Center and a member of several leadership councils in IBM. Since 2003, he has represented IBM within the SysML submission team and is one of the lead authors of the SysML language specification. His areas of expertise are metamodeling, integrated product development solutions, and systems engineering methodologies. He holds more than 15 United States and international patents. In addition, he has coauthored more than 15 conference and journal papers and is the recipient of two Best Technical Paper awards.

David Brown  IBM Rational Software, 1385 Bison Ridge Drive, Colorado Springs, CO 80919 (dave.brownus.ibm.com). Mr. Brown is a Senior Certified IT Specialist and leader of the Rational Solution Architecture community of practice. His areas of expertise include software and systems architecture and process. He has made significant contributions to the creation of the Rational Unified Process for Systems Engineering (RUP SE) and its adoption by multiple clients.

Murray Cantor  IBM Rational Software, 340 W. 72nd Street, New York, New York 10023 (mcantorus.ibm.com). Dr. Cantor is an IBM Distinguished Engineer and a member of the Rational CTO team. His areas of expertise include software and systems engineering processes and systems-development management and leadership. Dr. Cantor is the lead architect of the Rational Unified Process for Systems Engineering (RUP SE), the extension of the Rational Unified Process for system and enterprise engineering. In addition, he served as Rational's technical liaison to the Object Management Group Systems Engineering Domain Special Interest Group and was a founding member of SysML partners, an industry consortium devoted to responding to the OMG request for proposal for a systems profile. He is the author of the books Object-Oriented Project Management with UML, published by John Wiley & Sons in 1998, and Software Leadership, published by Addison-Wesley in October 2001.

Michael Mott  IBM Federal Systems, Strategy and Technology, 195 Mountain City Highway, #16, Elko, Nevada 89801 (mottmius.ibm.com). Mr. Mott is an IBM Distinguished Engineer. His areas of expertise include large-scale development, systems architecture, and high-performance technical computing. Mr. Mott recently retired from Boeing and his last position was the Chief Architect for a team developing a very large-scale, high-performance ground station. His current interests are the application of service-oriented architecture principles to ground stations and improving development methods for large-scale systems.