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.

Cynthia Andres holds a B.S. in psychology with advanced work in organizational behavior, decision analysis, and women’s studies. She has worked with Kent on the social aspects of Extreme Programming since its inception. She is also affiliated with Three Rivers Institute.