Lee Vaughan is a geologist with over 30 years' experience in the petroleum industry. As the Senior Technical Professional for Geological Modeling at a major international oil company, he was involved in the construction and review of computer models, the development, testing, and commercialization of software, and the training of geoscientists and engineers. An advocate for nonprogrammers who must use programming in their careers, he wrote Impractical Python Projects to help self-learners hone their skills with the Python language. His latest Python book, Real-World Python, came out in November, 2020.