Han Zhang is an assistant professor of Tsinghua University. His research focuses on network system and network security. He has published more than 50 SCI/EI top conference and journal papers in ACM SIGCOMM, ACM CoNEXT, and ACM CCS. He has applied for nearly 20 invention patents in the fields of network and security. His research technology has already used in China Telecom and the military, as well as high-tech enterprises such as Huawei, Tencent, Alibaba, and Green Alliance Technology.