David Rojas is a data enthusiast and Python evangelist. Currently, he is enjoying his time as a consultant in the data world. He lives in the Silicon Valley and is active within the data community. After receiving a degree from the University of Florida as an industrial and systems engineer and obtaining a minor in sales engineering, he received his state license as an engineer in training. Soon thereafter, he pursued a career change to the IT world as a data analyst and discovered his passion for data using various tools in order to manage and analyze data in a better way. After many years of working in a wide range of odd data roles, such as reporting, gathering requirements, writing documentation, working with databases, and working with flat files, he decided to make his love for data a reality and started his own business (www.hedaro.com). You will often find his work being cited by various professors and other data enthusiasts around the Bay Area.