About the Reviewers

David Gruzman is a Hadoop and big data architect with more than 18 years of hands-on experience, specializing in the design and implementation of scalable high-performance distributed systems. He has extensive expertise of OOA/OOD and (R)DBMS technology. He is an Agile methodology adept and strongly believes that a daily coding routine makes good software architects. He is interested in solving challenging problems related to real-time analytics and the application of machine learning algorithms to the big data sets.

He founded—and is working with—BigDataCraft.com, a boutique consulting firm in the area of big data. Visit their site at www.bigdatacraft.com. David can be contacted at david@bigdatacraft.com. More detailed information about his skills and experience can be found at http://www.linkedin.com/in/davidgruzman.

Muthusamy Manigandan is a systems architect for a startup. Prior to this, he was a Staff Engineer at VMWare and Principal Engineer with Oracle. Mani has been programming for the past 14 years on large-scale distributed-computing applications. His areas of interest are machine learning and algorithms.

Vidyasagar N V has been interested in computer science since an early age. Some of his serious work in computers and computer networks began during his high school days. Later, he went to the prestigious Institute Of Technology, Banaras Hindu University, for his B.Tech. He has been working as a software developer and data expert, developing and building scalable systems. He has worked with a variety of second, third, and fourth generation languages. He has worked with flat files, indexed files, hierarchical databases, network databases, relational databases, NoSQL databases, Hadoop, and related technologies. Currently, he is working as Senior Developer at Collective Inc., developing big data-based structured data extraction techniques from the Web and local information. He enjoys producing high-quality software and web-based solutions and designing secure and scalable data systems. He can be contacted at <vidyasagar1729@gmail.com>.