Dianhai Yu is the Tech Lead of PaddlePaddle, Chair of Baidu NLP Technical Committee. He graduated from Peking University in 2008 and joined Baidu. He has promoted Baidu search using machine learning sorting algorithm as one of the core members. Long-term responsibility for machine learning, semantic computing, dialogue interaction and other technical directions, many years of deep learning algorithm development platform construction and product application experience. He was the best Baidu in 2012 and the highest Baidu Award in 2015.