Rajnish Kumar is working as a Data Scientist at Airtel Digital Ltd. He has 3.5 years of experience working on personalization, recommendation systems, content enrichment, and churn. He has deep expertise in working with python, Big data tools, and technologies like AWS and PySpark. He has deployed multiple Machine Learning models on a scale of millions of consumers. Rajnish obtained his Post Graduate Diploma in Business Analytics (PGDBA) from IIM Calcutta and BTech from IIT BHU, Varanasi.