José Manuel Ortega is a software engineer, focusing on new technologies, open source, security, and testing. His career goal has been to specialize in Python and security testing projects. In recent years, he has developed an interest in security development, especially in pentesting with Python. Currently, he is working as a security tester engineer and his functions in the role involves the analysis and testing of the security of applications in both web and mobile environments. He has taught at university level and collaborated with the official school of computer engineers. He has also been a speaker at various conferences. He is eager to learn about new technologies and loves to share his knowledge with the community.

Dr. M. O. Faruque Sarker is a software architect based in London; he has shaped various Linux and open source software solutions mainly on cloud computing platforms for various institutions. Over the past 10 years, he has led numerous Python software development and cloud infrastructure automation projects. In 2009, he started using Python and shepherded a fleet of miniature E-puck robots at the University of South Wales, Newport, UK. Later, he was invited to work on the Google Summer of Code (2009/2010) programs to contribute to the BlueZ and Tahoe-LAFS open source projects. He is the author of Python Network Programming Cookbook, Packt Publishing and received his PhD in multirobot systems at the University of South Wales.

Sam Washington currently works at University College London as a systems administrator in the platform integration team of the central IT department, supporting a variety of web hosting and network services. He enjoys the daily challenges of managing the demands of full-stack enterprise web applications and looking for ways to employ new technologies to improve services and workflows. He has been using Python for professional and personal projects for over 10 years.