Dr. Dochul Yang is a Principal Researcher at the Korea Aerospace Research Institute (KARI), Korea, and currently serves as the Head of the Calibration/Validation and Image Quality Research Team. He received his Ph.D. degree in Aerospace Engineering from The University of Texas at Austin, USA, in 2010. Before joining KARI in 2012, he worked as a research engineer at the Center for Space Research at The University of Texas at Austin, where he researched remote sensing applications using satellite imagery. At KARI, he has been involved in the calibration/validation of KOMPSAT-5/6 SAR payloads and satellite image quality enhancement. Since 2025, he has led calibration/validation and image quality management activities for Korea’s national low-Earth-orbit satellites, including KOMPSAT, Compact Advanced Satellite (CAS), and NEONSAT. His research interests include SAR remote sensing applications, interferometric SAR (InSAR) algorithm development, and deformation monitoring.