Wesley J. Chun, MSCS, is the author of Python Fundamentals, a companion video to Core Python Programming, and the coauthor of Python Web Development with Django. In addition to being a senior software architect, he runs CyberWeb (cyberwebconsulting.com), a consulting business specializing in Python software engineering and technical training. He has more than twenty-five years of programming, teaching, and writing experience, including more than a decade with 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.