My name is Jianmin Guo (郭建敏). I am a Ph.D. candidate at School of Software Engineering, Tsinghua University, Beijing, China. I received the BS degree in software engineering from Beijing University of Posts and Telecommunications, Beijing, China, in 2017. My research interests are software testing, mainly focusing on deep learning testing, adversarial testing of recurrent neural networks and audio adversarial attacks, etc.