Mark is a motivated software developer and a published author, always looking to solve interesting and challenging problems that redefine our world, one small step at a time. He`s the co-author of O`Reilly`s Hadoop Application Architectures book. You can read more about the book at hadooparchitecturebook.com He is also a regular speaker on topics related big data, design and architectures at conferences around the world. Previously, Mark also contributed a section in O`Reilly`s `Programming Hive`​ book. He has a passion for developing, contributing and using open source technologies and making their deployment easily accessible to others. You can see some of Mark`s interviews here: O`Reilly video interview with Mark Grover on architecting big data applications: O`Reilly video Interview with Mark Grover on Working in the Hadoop Ecosystem: ZDNet Interview with Mark Grover: What Apache Spark brings to Hadoop Cloudera Meet the Engineer: Mark Grover blog post: ©