Haifeng Wang has served as our chief technology officer since May 2019. Dr. Wang oversees our research and development efforts in artificial intelligence as well as other technology groups. From 2014 to 2017, Dr. Wang oversaw our core search products. From 2002 to 2010, Dr. Wang served as the chief research scientist at Toshiba’s R&D Center. Dr. Wang is the president of National Engineering Laboratory for Deep Learning Technology and Applications, and a fellow and the former president of the Association for Computational Linguistics (ACL) and the founding chair of ACL’s Asia-Pacific chapter in 2018. He obtained his bachelor’s, master’s, and Ph.D. degrees in computer science from the Harbin Institute of Technology.