Rohan Rao is Data Scientist at H2O.ai, A Kaggle Grandmaster in Machine Learning Competitions. My core expertise is in driving, pipelining and building ML solutions hands-on. My work has revolved around leading small teams and architecting end-to-end ML-driven solutions in products/platforms and getting them live into production using Python (Jupyter), Scala (Zeppelin) and R (RStudio) for most of my work. Have worked with SQL, Hive, Mongo for databases. Elasticsearch, Kibana for EDA and dashboards. Spark for distributed computing. I've been among prize winners in various Machine Learning competitions on Kaggle / CrowdAnalytix / AnalyticsVidhya. My dream project is to make 'Person Of Interest'​ a reality :-) Seven-time and current National Sudoku Champion. Became the first Indian to be ranked in the top-10 at the World Sudoku Championship in 2012 by securing 8th place. Current world rank 17th. Three-time podium finish at the Asian Sudoku Championship. Five-time National Puzzle Champion. Current world rank 44th. Four-time and current Times National Sudoku Champion. Member of (high-IQ society) Mensa since 2006.