Dan Pilone is a Senior Software Architect with Blueprint Technologies, Inc. He has designed and implemented systems for Hughes, ARINC, UPS, and the Naval Research Laboratory. He also teaches project management, software design, and software engineering at The Catholic University in Washington D.C. Dan has written several books on software development, including "UML 2.0 in a Nutshell" (0-596-00795-7) and "UML 2.0 Pocket Reference" (0-596-10208-9), both O'Reilly.
Neil Pitman is Chief Technical Officer of Mahjong Mania, co-developer of LamMDA from Mindset Corporation, and formerly Vice President of Research and Development at Codagen Technologies. Neil has twenty years of experience in software development ranging from medical systems to Smalltalk development platforms, gaming software to code generation. When he does real work, it's in J2EE and XSLT as well as UML. Look for him at http://www.architecturerules.com.