17 years of R&D in Big Data Mining, Machine Learning, and Deep Learning. Han architects and leads development of deep-learned training pipelines and online serving pipelines on distributed platforms. He has published over 20 tier 1 technical papers with over 1,000 citations and filed a number of patents.He is proficient with the following fields.• Big data mining: large-scale analysis on machine and user data, with the emphasis on privacy and security analysis. Distributed deployment of machine learned models for real-time inferencing.• Machine learning: Text mining and Natural Language Processing on unstructured textual data, Graph modeling and analysis on online social networks and Internet businesses.