Daniel Leroux  IBM Software Group, Rational, 770 Palladium Drive, Ottawa, Ontario, Canada, K2V 1C8 (dlerouxca.ibm.com). Mr. Leroux is a Senior Technical Staff Member and senior development manager with IBM Rational Software. He has been with IBM Rational Software for eight years and has held various management and development roles for the Rational modeling family of products. Over the last four years, he has led the architecture and development of the Rational Software Architect/Modeler product line.

Martin Nally  IBM Software Group, Rational, 1090 Katella St, Laguna Beach, CA 92651 (nallyus.ibm.com). Mr. Nally is an IBM Distinguished Engineer who joined IBM in 1990 with 10 years' prior industry experience. He was the lead architect and developer for IBM VisualAge/Smalltalk and lead architect and overall development manager for IBM WebSphere Studio. His current title is Chief Technical Officer, IBM Rational Software.

Kenneth Hussey  IBM Software Group, Rational, 770 Palladium Drive, Ottawa, Ontario, Canada, K2V 1C8 (khusseyca.ibm.com). Mr. Hussey is a senior software developer for IBM Rational Software. He is a committer (i.e., a developer with write access to the source code repository) on the EMF project and lead of the UML2 project, both of which are open-source tool subprojects at Eclipse.