Kaitian Mao, Ph.D., received his Ph.D. from the University of Science and Technology of China (USTC) and subsequently conducted postdoctoral research at the University of Colorado Boulder. His research focuses on perovskite photovoltaics and light-emitting devices, with particular interests in interface engineering, optical management, thin-film processing, and device physics. He has contributed to the development of record-efficiency perovskite solar cells, including devices recognized on the NREL efficiency chart, as well as high-performance perovskite LEDs. His research has been published in leading journals including Science, Nature Energy, and Joule. He has also been invited to serve on academic conference committees and editorial activities in the field of photovoltaic energy and optoelectronic materials.