Wesley J. Chun is the author of Prentice Hall's best-selling Core series book, "Core Python Programming" and co-author of "Python Web Development with Django." He is currently a senior engineer at NearbyNow and also runs CyberWeb, a consulting business specializing in Python software engineering and technical training. Wesley has over 25 years of programming, teaching, and writing experience, including more than a decade of Python. While at Yahoo!, he helped create Yahoo! Mail and Yahoo! People Search using Python. He holds degrees in Computer Science, Mathematics, and Music from the University of California.