Hao Zhao received the B.S. degree from Beijing Jiaotong University, Beijing, China, in 2016, and the M.S. degree from the Ocean University of China, Qingdao, China, in 2019. After that, he received the Ph.D. degree with the South China University of Technology, Guangzhou, China, in 2023. He is currently a Lecturer with the Department of Communication Engineering, Guangzhou Maritime University, Guangzhou, China. He was a Visiting Student with the Norwegian University of Science and Technology, Trondheim, Norway. His research interests include underwater acoustic communications, signal processing, deep learning, and federated learning.