I am Si Si, a research scientist at Google Research. My research focus is developing scalable machine learning models. I was a Ph.D. student at UT Austin working with Prof. Inderjit Dhillon. I received my master degree from the University of Hong Kong under supervision of Prof. Dacheng Tao and Prof. Kwok-Ping Chan. I am the recipient of the MCD fellowship in 2010-2013, and the best paper award in ICDM 2012. I am serving as reviewers for many conferences and journals including ICML, NIPS, KDD and JMLR, etc.