Meizhu Liu is a principal research scientist, working on scalable solutions to data-intensive business problems, using machine learning, statistical analysis, and visualization, in the areas of security, compromise detection, web audience analysis and advertising analysis. She has been focused on compromise detection and developed many tools for data analysis in various aspects. Before joining Yahoo, she worked on computer vision problems at Siemens Research. Prior, she received a PhD in the areas of computer vision and machine learning from University of Florida. 

Research Areas: Advertising Science, Content Understanding, Data Science, Image & Video Understanding, Machine Learning, Scalable Systems, User Modeling and Personalization