Zhen Qin is currently a senior machine learning engineer at Google Inc. He received his B.E. degree from Beijing University of Posts and Telecommunications in 2010 and Ph.D. from University of California, Riverside 2015. He is working in the Research team on large-scale and state-of-art search & recommendations algorithms and systems. Previously he was working in the team under Google Health Research and Innovation Division (part of Google AI) that conducts research and development in using Google data and machine learning for public and personal health. Before that he worked in the team responsible for delivering great search and intelligence experiences to users of Google's productivity suite, which includes Gmail, Drive, Calendar, etc. He has published over 30 research papers.