Ermo CHEN is a Boya Postdoctoral Fellow at the National School of Development / Institute for Global Health and Development at Peking University. He holds a B.Sc. and a Ph.D. in Science from Peking University. Dr. Chen is the Chief Scientist for the Planetary Health Axis System (PHAS) project at the Institute for Global Health and Development at Peking University. He graduated from the School of Mathematical Sciences at Peking University with a Ph.D. in Science. His previous positions include actuary of the Actuarial Department at China Reinsurance Corporation Group, and Risk Control Director, Chief Data Scientist, and Senior Risk Advisor at the Aden Technology. Dr. Chen's main research interests include risk capital measurement and allocation, uncertainty measurement and decision-making in complex systems, health technology effectiveness evaluation, and planetary health metrics. He has led/participated in numerous vertical/horizontal projects in the fields of risk management and global health. Dr. Chen is the originator of the modified Return on Risk Adjusted Capital (mRORAC). He received the China Health Insurance Technology Innovation Award in 2019 and the Best Health Insurance Technology Innovation Award in 2020. He was the actuary for China's first weather-health index insurance product.