Tathagata Das is a Staff Software Engineer at Databricks and has been one of the core developers of Apache Spark (especially Structured Streaming) and Delta Lake. He is a member of Apache Spark PMC, and a Delta Lake committer. He is also one of the authors of Learning Spark: Lighting-fast Data Analytics (2nd edition). Previously, he was a grad student in the UC Berkeley at AMPLab where he conducted research about data-center processing frameworks and networks with Scott Shenker and Ion Stoica.