Yia-Chung Chang received his bachelor's degree from National Cheng-Kung University and a Ph.D. degree from the California Institute of Technology. He joined the Physics Department, University of Illinois at Urbana-Champaign, in 1980 as a visiting research assistant professor and became an assistant professor in 1982, associate professor in 1986, and professor in 1991. In 2005, he joined Academia Sinica, Taiwan, as a Distinguished Research Fellow and Director of the Research Center for Applied Sciences. Dr. Yia-Chung Chang’s main research interests are in condensed matter theory, semiconductor electronics, photonic materials, and devices. In the last three decades, he has worked on a series of related topics including shallow impurities and excitons in semiconductor superlattices and quantum wells, electronic and optical properties of semiconductors, surfaces and interfaces, nanostructures, phonons and electron-phonon couplings in semiconductors and nanostructures, many-body effects, exciton condensation, magnetic multilayers, giant magnetoresistance, optical metrology, infrared detectors, quantum transport properties of nanostructures, spintronics, quantum computing, and biosensing. He received the Distinguished Alumni Award from National Cheng-Kung University in 2009, the Taiwan-France Science-technology Prize in 2015, and the Outstanding Research Award from the National Science and Technology Council, Taiwan, in 2022. He is a Thomson ISI highly cited scientist.