Xuefu Zhang is a veteran in the open source communities and spends his main efforts on Apache Hive and Pig. He worked in the Hadoop team at Yahoo when the majority of the development on Hadoop was still there. In addition, he spent his early career at Informatica, gaining important experience on enterprise software development, especially in ETL and data warehousing. Prior to Uber, Xuefu was the tech lead for Hive at Cloudera and led a global effort in Hive on Spark project. Working for Uber since 2016, he is the tech/team lead for SQL on Hadoop. Xuefu Zhang is an Apache member, and PMC member for Hive, Sentry, and Pig.