Ren-Min Ma. Associate professor of Physics, Peking University. Dr. Ma received his PhD degree in Physics from Peking University in 2009. He was a postdoc researcher at UC Berkeley during 2009 to 2014 before joining Peking University as a faculty. His research interests include laser physics, nanophotonics, light-matter interaction, non-Hermitian and topological photonics. He published over 50 peer reviewed papers, including 3 in Science/Nature, 10 in Science/Nature sub-journals, 2 in PRL. His works has been selected as China’s Top 10 Optical Breakthroughs of 2018, APS Physics Top 10 "Highlights of the Year" of 2018, China’s Top 10 Optical Breakthroughs of 2020, and China’s Top 10 Semiconductor Research Breakthroughs of 2020.