Jinhyun Ahn received his B.S. and M.S. degree in mathematics in 2013 and 2016, and Ph.D. degree in electrical engineering in 2020, all from Korea Advanced Institute of Science and Technology (KAIST), Daejeon, Korea. He is currently working as an assistant professor at the Department of Information and Communication Engineering, Myongji University, Yon- gin, Gyeonggi-do, South Korea. His research interests lie in the field of probability theory, communication theory, and machine learning, with a specific focus on federated learning. From January to September 2019, he was a visiting researcher at King’s Communications, Learning and Information Processing lab, King’s College London, United Kingdom. He worked as a research associate in KAIST from September 2019 to September 2020. He was a research associate in the MGH/BWH Center for Advanced Medical Computing and Analysis, department of radiology, Massachusetts General Hospital and Harvard Medical School from October 2021 to August 2022.