Xiang Han joined UW Madison as a scientist in March 2022 and began working on HSX in 2023. He focuses on the development of diagnostics with microwave (reflectometry, ECE, etc.) and spectroscopic technologies, as well as on the experimental research on turbulence and transport at the interface between open and closed field-line regions on both HSX and W7-X stellarators. Xiang Han previously worked as a postdoc at Forschungszentrum Jülich (Germany) and as a scientist at EAST tokamak (ASIPP, China).