Yan Zheng is a Director of Engineering at WalmartLabs, overseeing search platform area which includes both search runtime as well as big data platform. He has 15 years of industry experience of developing and delivering of software products using a wide variety of technologies in all phases of product life cycle. He received his B.S. degree from Tsinghua University, China and 2 M.S. degrees from University of California, San Diego, and San Diego State University respectively.