About the Author

JON SIEGEL, PhD, is Director of Domain Technology at the OMG where he chairs the Domain Technology Committee which sets OMG specifications for vertical markets. He is a frequent speaker about the OMG at conferences and symposia around the world, and works closely with international standards groups, industry consortia, and the end-user community to promote the use of OMG specifications as industry standards.

Contributors include: Dan Frantz, PhD, Digital Equipment Corporation; Hal Mirsky, Expersoft Corporation; Raghu Hudli, PhD, IBM Corporation; Alex Thomas and Wilf Coles, ICL; Peter de Jong, PhD, Alan Klein, and Brent Wilkins, Hewlett-Packard, Inc.; Sean Baker, PhD, IONA Corporation; Maurice Balick, SunSoft, Inc.