Kurt Young is a PMC member of Apache Flink and Apache Druid. He is also an engineering lead at Alibaba Group. During 9 years working experiences at Alibaba, he participated and lead some of the critical systems inside company, such as search engine, scheduling system, monitoring and online analytics system. He also lead a SQL engine team which heavily based on Apache Flink, serving nearly all business units of Alibaba group.

Jark Wu is a committer and PMC member of Apache Flink. He works as a software engineer at Alibaba and contributes to Apache Flink since 4 years ago. In Flink, he is mainly working on the Table & SQL API. Prior to Flink, Jark worked on JStorm which is a Java-version Apache Storm in Alibaba.