Kent Beck

Kent Beck consistently challenges software engineering dogma, promoting ideas like patterns, test-driven development, and Extreme Programming. Currently affiliated with Three Rivers Institute and Agitar Software, he is the author of many Addison-Wesley titles.

Martin Fowler

Martin Fowler is Chief Scientist at ThoughtWorks and describes himself as “an author, speaker, consultant and general loud-mouth on software development. I concentrate on designing enterprise software–looking at what makes a good design and what practices are needed to come up with good design."