William Chambers is a product manager at Databricks, where he works on Structured Streaming and data science products. He is lead author of Spark: The Definitive Guide, coauthored with Matei Zaharia. Bill also created SparkTutorials.net as a way to teach Apache Spark basics. Bill holds a master’s degree in information management and systems from UC Berkeley’s School of Information. During his time at school, Bill was also creator of the Data Analysis in Python with pandas course for Udemy and co-creator of and first instructor for Python for Data Science, part of UC Berkeley’s Master of Information and Data Science (MIDS) program.