Paul Clements is a senior member of the technical staff at the SEI, where he works on software architecture and product line engineering. He is the author of five books and more than three dozen papers on these and other topics.
Len Bass is a senior member of the technical staff at the Software Engineering Institute (SEI). He has written or edited five books and numerous papers on software engineering and other topics. He has extensive experience in architecting real-world development projects.
Robert L. Nord, a member of the software architecture program at SCR, designs and evaluates software architectures for large-scale industrial systems. Dr. Nord, currently the Siemens industrial resident affiliate at the Software Engineering Institute (SEI) in Pittsburgh, is working on methods for architecture trade-off analysis and product-line practices. His other interests include transitioning software design practices, improving architecture practices using software architecture improvement groups, and architecture-based development.