Technical Advocate, Datastax
DuyHai Doan is an Apache Cassandra evangelist and Apache Zeppelin committer. He spends his time between technical presentations/meetups on Cassandra, coding on open source projects to support the community and helping all companies using Cassandra to make their project successful. He also gets an interest in all the eco-system around Cassandra (Spark, Zeppelin, ...). Previously he was working as a freelance Java/Cassandra consultant