He is an Apache Hadoop committer and PMC member, an Apache ZooKeeper committer, an Apache Yetus committer and PMC member, an Apache Incubator PMC member and an Apache Software Foundation member. His most significant contributions include HDFS operational improvements, Hadoop Windows compatibility and HDFS ACLs. He also helped shepherd the Apache contribution of WASB, a Hadoop-compatible file system backed by Azure Storage. Prior to joining Hortonworks, Chris deployed and maintained Disney's Hadoop infrastructure and developed web services and MapReduce jobs.