I am a Sr. Data Scientist at Cognizant Technology Solutions. I lead the DS team at Cognizant (projects as well as internal DS training). I hold PhD in computational physical sciences and published over 25 research papers in international journals and also serving as a reviewer for several international journals. I provide DS training as well as support for DS projects both in Pyhton as well as in R. I am well versed with regression, classification, clustering, ensemble, deep neural networks (CNNs and RNNs using TensorFlow) and NLP etc. I also provide good hands on sessions for BigData technologies such as MapRed(python based), Hive, Pig, HBase, Sqoop, Flume, Kafka and Spark (sparkSQL, PySpark, SparkR, spark streaming etc)