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Ajay Ohri is a data scientist and writer in open source data science. He is the author of four books on data science two books on R and one book on Python and one book on SAS

Education
Ohri graduated from Delhi College of Engineering with a B.E. in Mechanical Engineering, and has a MBA from Indian Institute of Management Lucknow. In addition, he did graduate courses at University of Tennessee, Knoxville.

Books
In 2012 he wrote R for Business Analytics for Springer Publishing. The book was translated into Chinese by Xi’an Jiaotong University Press and in 2016 they printed the Chinese edition. In 2014, he wrote Cloud Computing: An Approach for Data Scientists. for Springer Publishing. In 2017 he wrote Python for R Users:A Data Science Approach for Wiley Publishing. In 2019 he wrote SAS for R Users - A Book for Data Scientists

In addition to technology books, Ohri has authored four books on poetry. Unlike his technology books, Ohri's poetry books are self published. Since 2007 he has published his blog DecisionStats.com besides writing on external websites.

Articles
Ajay Ohri began writing articles starting from CoolAvenues. He also wrote many articles for AnalyticsTraining.com.

He has written around 50 articles for ProgrammableWeb and many articles for KDNuggets. Besides this, he has been cited by Wired Magazine and ReadWriteWeb for espousing a marketplace for algorithms.

Ohri has also written on using Big Data for Developing countries for IBM Big Data Magazine. He advocates a pragmatic approach to open source software including better customer service, documentation and interface. Ohri has also written tutorials in both Python and R. He was featured in KDnuggets in A Day in the life of a Data Scientist.

His latest position is using multiple languages or polyglotism in open source analytics.

Interviews
An early technology writer in data science, he has interviewed John Sall, Gregory Piatetsky-Shapiro, Jan De Leeuw, Hadley Wickham, Hilary Mason, Usama Fayyad, and Stephen L. Baker among others.