Delip Rao

Delip Rao is a machine learning and natural language processing researcher focused on building AI solutions for consumers and businesses. He has worked on NLP and ML research problems involving semi-supervised learning, graph-based ranking, sequence learning, distributed machine learning, and more, and has published several highly cited papers in these areas.

Delip worked as a Research Scientist at Amazon focusing on machine learning and natural language understanding for Amazon Echo, and at Twitter, where he worked on a variety of problems including anomaly detection, spam, content discovery, user modeling, and engagement prediction. He is currently building Joostware, an AI research consulting group, in San Francisco. He frequently blogs on natural language processing and deep learning at