Dr. Chang Liu is a lecturer at the School of Sport Science at Beijing Sport University, China. He earned his Master's degree in Pharmacy from the School of Pharmacy, Peking University, China, in 2015. Thereafter, he completed his Doctorate in Epigenetics at the School of Medicine, Technical University of Munich, Germany, in 2021. Between 2015 and 2016, he served as a Researcher at Nanion Electrophysiology Technology Co., Ltd. in Munich, Germany. Upon joining the Beijing Sports University, China, in 2021, he was temporarily assigned to work in the laboratory of the China Anti-Doping Agency from February to August of the same year. Later, he was temporarily assigned to the Science and Education Department of the China General Administration of Sport from November 2021 to May 2022. His research interests encompass sports nutrition, doping testing, nanopharmaceutics, epigenetics, sports prescription analysis, and anti-doping management, with a focus on international relations. He has authored more than 20 SCI papers as the first or corresponding author.