Zhenxiao，Senior Software Engineer, Uber。 Zhenxiao is a senior software engineer at Uber working on Presto and Parquet. Before joining Uber, he led the development and operations of Presto at Netflix. Zhenxiao has big data experience at Facebook, Cloudera, and Vertica on Hadoop-related projects. He holds a master’s degree from the University of Wisconsin-Madison and a bachelor’s degree from Fudan University.