Prof. Jianli Chen is a world-renowned expert in space geodesy and its applications in Earth sciences. He has been working on topics related to global climate change and geophysical applications of space geodetic techniques, including satellite gravimetry, satellite altimetry, and other geodetic measurements for over 30 years. He has been extensively involved in the data processing, results validation, and geophysical interpretation of the Gravity Recovery and Climate Experiment (GRACE) satellite gravimetry mission, and is a leading science team member of both the GRACE and GRACE Follow-On missions. He is a fellow of the International Association of Geodesy, and has served as the chair of the IERS Special Bureau for Hydrology since 2004, and co-chair/chair of the IAG Commission 3.3 (Earth Rotation and Geophysical Fluids) from 2012 to 2024. A crowning distinction of his decorative career was the 2005 US Presidential Early Career Awards for Scientists and Engineers (PECASE), the highest honor bestowed by the United States government on early career scientists and engineers (he was the first PECASE awardee in his related field). He has published over 140 refereed journal publications, with over 60 as lead author. His research interests include the following: Space Geodesy and Applications; Climate Change; Hydrology; Oceanography; Geodynamics, Earth Rotation, Gravity Field, Core-Mantle Interactions; Seismic Deformation; and GNSS Applications.