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.
Russell Miles is a software engineer for General Dynamics UK where he works with Java and Distributed Systems, although his passion at the moment is Aspect Orientation and in particular AspectJ. To ensure that he has as little spare time as possible, Russ contributes to various open source projects while working on books for O'Reilly. He currently is studying at Oxford University in England for an MSc in Software Engineering.