Zhen Liu is a Director of engineering at Coupang at Coupang. He possess expertise in search, machine learning, algorithms, software design, computer science and 18 more skills. Colleagues describe him as "I had the pleasure and fortune of working with Zhen for about five years at Mississippi State. We both were PhD students and not only took most of the same classes, but also participated in the same research projects. He always displayed a profound understanding of several computer science topics, from theoretical artificial intelligence and algorithms to hands-on Linux/Windows, networking and security. I have no doubt that he will be a great team member for any high-tech institution, in particular those that will challenge him to innovate and participate in research activities." and "Zhen is tremendously knowledgeable in various areas of online services such as search and ads platform. He is extremely familiar and proficient with multiple search pipelines, such as index serving and answers pipeline, as well as productive in projects spanning various aspects of web search. He always has good answers to colleagues for not only his own features but the overall product. I had the pleasure to work with Zhen closely and would highly recommend him as a core member of almost any project in these areas."