WESLEY CHUN (@wescpy) is the author of Prentice Hall's bestselling "Core Python" (corepython.com) series, co-author of "Python Web Development with Django" (helion.pl/ksiazki/python-i-django-programowanie-aplikacji-webowych-jeff-forcier-paul-bissex-wesley-chun,pydjan.htm), and has written for Linux Journal, CNET, and InformIT. In addition to being an engineer & Developer Advocate at Google focused on Google Cloud, he runs CyberWeb (cyberwebconsulting.com), a consultancy specializing in Python training. Wesley has over 25 years of programming, teaching, and writing experience, and was one of the original Yahoo!Mail engineers. He holds degrees in CS, Mathematics, and Music from the University of California, and is a Fellow of the Python Software Foundation. Wesley was the keynote speaker at the 2009 PyCon PL conference in Ustroń and also spoke at the Google Developer Days 2017 conference in Kraków.