Biographical sketches of authors

Clay Williams   IBM Research Division, Thomas J. Watson Research Center, P.O. Box 218, Yorktown Heights, New York 10598 (electronic mail: clayw@us.ibm.com). Dr. Williams is a research staff member in the Center for Software Engineering at the IBM Thomas J. Watson Research Center. His research interests include model-based testing, software architecture, and software modeling languages. He is also interested in applications of computer science to medicine. Prior to joining IBM, he worked in the Clinical Information Services group affiliated with the Department of Medical Informatics at Columbia-Presbyterian Medical Center.

Harm Sluiman   IBM Application & Integration Middleware Division, IBM Canada, 8200 Warden Avenue, Markham, Ontario, Canada L6G 1C7 (electronic mail: sluiman@ca.ibm.com). Mr. Sluiman is a Senior Technical Staff Member and development manager in the Application Development Technology Center at the Toronto Laboratory. His responsibilities cover relational database design tools, performance profiling, and system monitoring, as well as the metamodel of the application development life cycle, specifically testing. He has been an IBM employee since 1974 and worked in hardware customer service before joining the software development group in 1983. Since joining the lab he has worked on various types of software projects across all IBM platforms, primarily development tooling.

David Pitcher   IBM Application & Integration Middleware Division, IBM United Kingdom Laboratories, Hursley Park, Winchester, Hampshire, SO21 2JN, United Kingdom (electronic mail: David.Pitcher@uk.ibm.com). Mr. Pitcher is an advisory software engineer in the Transaction Processing department at the IBM Hursley Laboratory working on testing strategy and model-based testing. He is currently technical lead for consolidated service test for z/OS and subsystems. Mr. Pitcher has worked on WebSphere, MQSeries™, TXSeries™, and most recently CICS™ testing technologies. He has a keen interest in formal methods, distributed systems, software design, and artificial intelligence.

Marius Slavescu   IBM Application & Integration Middleware Division, IBM Canada, 8200 Warden Avenue, Markham, Ontario, Canada L6G 1C7 (electronic mail: slavescu@ca.ibm.com). Mr. Slavescu is a software engineer staff member in the Application Development Technology Center at the IBM Toronto Laboratory. His interests include network-based computing systems, software architecture, and automated testing. He is also interested in network security, Internet technologies, and operating systems architecture. Prior to joining IBM, he worked in the information technology department of The Canadian Depository for Securities Limited.

Jim Spratley   IBM Global Services, IBM UK Headquarters, Portsmouth, Hampshire, PO6 3AU, United Kingdom (electronic mail: jim_spratley@uk.ibm.com). Mr. Spratley handles a suite of MVS- and Lotus Notes-based testing tools for the Testing Services group in IBM Global Services. He joined IBM in 1989 and has wide experience with the application development cycle, including development, technical support, and configuration management and testing.

Mark Brodhun   IBM iSeries Development, 3605 Highway 52 North, Rochester, Minnesota 55901 (electronic mail: brodhun@us.ibm.com). Mr. Brodhun is a staff software engineer for the iSeries Integrated File Systems design and test team in Rochester. His most recent assignments included designing an improved test environment for the iSeries file system test and developing microcode debugging tools. He has a long-standing interest in the application of software tools to software development, specifically in the areas of end-user productivity and usability.

John McLean   IBM Canada, 8200 Warden Avenue, Markham, Ontario, Canada L6G 1C7 (electronic mail: jmclean@ca.ibm.com). Mr. McLean is an advisory development analyst with the IBM Toronto Software Laboratory. In his 12-year career at IBM he has focused primarily on the testing of commercial software products, and he recently moved to development work for software testing tools. Prior to joining IBM, he held various development and test lead roles at EDS, Sears, and Air Canada.

Charles Rankin   IBM Server Group, 11401 Burnet Road, Austin, Texas 78758 (electronic mail: rankinc@us.ibm.com). Mr. Rankin is an advisory software engineer in the IBM Austin Development Laboratory. He graduated with a B.S. degree in electrical engineering from the University of Florida in 1993, after which he joined IBM in Austin. He has worked extensively with IBM's PC-oriented operating systems and networking products. He was the system test lead for IBM's Directory and Security Server for OS/2 and IBM's OS/2 WARP Server for e-Business. He is currently the lead developer for STAF.

Karen Rosengren   IBM Corporate Division, 11400 Burnet Road, Austin, Texas 78758 (electronic mail: krosengr@us.ibm.com). Ms. Rosengren is the IBM Software Test Chief Technologist reporting to the Corporate Director of Software Test. Her job entails finding and deploying the best possible practices in software testing to improve the software test community within IBM. She has been employed by IBM for 22 years and has an extensive background in software testing across multiple IBM products.