Matt Copperwaite graduated from the University of Plymouth in 2008 with a bachelor of science (Hons) degree in computer systems and networks. Since then, he has worked in various private and public sectors in the UK. Matt is currently working as a Python software developer and DevOps engineer for the UK Government, focusing mainly on Django. However, his first love is Flask, with which he has built several products under the General Public License (GPL).

Matt is also a trustee of South London Makerspace, a hackerspace community in South London; a cohost of The Dick Turpin Road Show, a podcast for free and open source software; and LUG Master of Greater London Linux User Group.

He has also been the technical reviewer of the Flask Framework Cookbook.

Charles Leifer is a professional software engineer with 6 years of experience using Python. He is the author of several popular open source libraries, including Peewee ORM and Huey, a multithreaded task queue. He is also the cocreator of https://readthedocs.org, a free documentation hosting platform.

Charles developed a passion for Python while working at the Journal World. His colleagues there patiently answered his endless questions and taught him everything about the Web, Linux, open source, and how to write clean Python.

Charles maintains an active programming blog at http://charlesleifer.com.