Mark KerznerMark Kerzner holds degrees in law, math, and computer science. He has been designing software for many years and Hadoop-based systems since 2008. He is a cofounder of Elephant Scale LLC, a big data training and consulting firm, as well as the co-authr of the open source book Hadoop Illuminated. He has authored other books and patents as well. He knows about 10 languages and is a Mensa member. Read More Read Less
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