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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.
Linda Northrop is director of the Product Line Systems Program at the SEI and chaired the first annual International Conference on Software Product Lines. A frequent keynote speaker and highly acclaimed educator, she has more than thirty years of experience in software development, including work at Eastman Kodak and IBM.