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. He has published over 30 research papers. His work has been transferred to Google.com, GSuite (Gmail, Drive, Calendar), Ads, Chrome Web Store, Google Cloud AI, and Google Assistant.