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 senior consultant for SpringSource in the UK where he works with various companies to help them take full advantage of the Spring Framework. 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.