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Xiannian Fan

Machine Learning Researcher
San Francisco Bay Area
Email: xiannianfan@gmail.com

I am a machine learning researcher working on click modeling and relevance modeling at Yahoo Research. Before that, I worked at Uber for building machine learning fraud detection system. I earned my Ph.D degree from Computer Science Department at Graduate Center, CUNY. My research topic was machine learning.


August 2017 - Present

Sr Research Engineer at Yahoo Research
Work on projects: Search Ads Click Modeling, Native Ads Click Modeling, Product Ads Relevance Modeling

May 2015 - August 2017

Software Engineer at Uber
Build machine learning system for fraud detection.

Sep 2011 - April 2015

Research Assistant at CUNY
Research topic: Learning Optimal Bayesian Networks.


2011 - 2015 Graduate Center, City University of New York
Ph.D in Computer Science
Advisor: Changhe Yuan
2008 - 2011 University of Science and Technology of China
M.S. in Computer Science
Master Thesis: Classification of Imbalance Datasets
Thesis advisor: Ke Tang
2004 - 2008 Nanjing University of Aeronautics and Astronautics
B.Eng. in Computer Science