Mike Driscoll has been programming in Python since 2006. He enjoys writing about Python on his blog at http://www.blog.pythonlibrary.org/. He has co-authored Core Python refcard for DZone. Mike has also been a technical reviewer for various books of Packt Publishing, such as Python 3 Object Oriented Programming, Python 2.6 Graphics Cookbook, and Tkinter GUI Application Development Hotshot. Mike recently wrote the book Python 101.

Róman Joost first learned about open source software in 1997. He is the project manager of GIMP's user documentation. He has contributed to GIMP and Python/Zope open source projects for eight years. Róman works for Red Hat in Brisbane, Australia.

Sakis Kasampalis is based in the Netherlands, where he currently works as a Software Engineer for a location-based B2B provider. He is not dogmatic about particular programming languages and tools; his principle is that the right tool should be used for the right job. One of his favorite tools is Python because he finds it very productive.

Among the FOSS activities of Kasampalis is maintaining a GitHub repository that is related to implementing design patterns in Python, which are available at https://github.com/faif/python-patterns. He was also a technical reviewer of the book Learning Python Design Patterns, Packt Publishing.

Albert Lukaszewski, Ph.D, is principal consultant for Lukaszewski Consulting Services in southeast Scotland. Having programmed computers for over 30 years, he consults on the system design and implementation. Previously, he served as Chief Engineer for ACCESS Europe GmbH. Much of his experience is related to text processing, database systems, and Natural Language Processing (NLP). In addition to MySQL for Python, Packt Publishing, he previously wrote a column on Python for the New York Times subsidiary, About.com.

Hugo Solis is an assistant professor in the Physics department at the University of Costa Rica. His current research interests are computational cosmology, complexity, and the influence of hydrogen on material properties. He has wide experience with languages including C/C++ and Python for scientific programming and visualization. He is a member of the Free Software Foundation and has contributed code to some free software projects. Currently, he is in charge of the IFT, a Costa Rican scientific, non-profit organization for the multidisciplinary practice of physics (http://iftucr.org).