WILLIAM J. BROWN is an independent consultant with extensive experience in large-scale software development project management. RAPHAEL C. MALVEAU is Chief Scientist at Eidea Labs and specializes in building CORBA applications using design patterns. HAYSW. "SKIP" McCORMICK III is a lead engineer at Mitre Corporation, focusing on object-oriented systems development and legacy systems integration. THOMAS J. MOWBRAY is the architect of one of the first CORBA-based applications systems. He is the Principal Scientist at Blueprint Technologies Corporation and an architecture columnist for Object Magazine.