Dr. ZHAI Shixian received her Ph.D. degree in Atmospheric Physics and Atmospheric Environment in 2019 from Nanjing University of Information Science and Technology (NUIST). She was a joint Ph.D. candidate between NUIST and Harvard University before she worked as a postdoc and then as a research associate at Harvard University from 2019 to 2023. Starting in May 2023, Dr. ZHAI works as a Research Assistant Professor in the Division of Environment and Sustainability at HKUST and is concurrently a Junior Fellow in the HKUST Jockey Club Institute for Advanced Study. Dr. ZHAI’s research includes atmospheric chemistry, air pollution, and nutrient and carbon cycles.