Roman Shaposhnik is a Director of Open Source at Pivotal Inc and VP of Technology for ODPi at Linux Foundation. He is a committer on Apache Hadoop, co-creator of Apache Bigtop and contributor to various other Hadoop ecosystem projects. He is also an ASF member and a former Chair of Apache Incubator. In his copious free time he managed to co-author "Practical Graph Analytics with Apache Giraph" and he also posts to twitter as @rhatr. Roman has been involved in Open Source software for more than a decade and hacked projects ranging from Linux kernel to FFmpeg multimedia library. He loves good beer and fights against American led IPA invasion one seidla at a time.