Mr. Chhim is an epidemiologist experienced in HIV, Malaria, Coronavirus Disease 2019 (COVID-19), and Health Systems. Mr. Chhim was born in Kampong Chhnang province, Cambodia. He graduated with his bachelor's degree in Geography from the Royal University of Phnom Penh, Phnom Penh, Cambodia, in 2009. He worked for an international organization (FHI360), in the field of HIV, between 2009 and 2017. During his work at FHI360, he studied Master of Science in Epidemiology at the School of Public Health at the National Institute of Public Health (NIPH), Phnom Penh, Cambodia, between 2013-2015. He also worked for NIPH between 2017-2019 as public health researcher on health system research. In 2019, he won a scholarship to study two-year Master of Philosophy in Applied Epidemiology (MAE) at Austrian National University, Canberra, Australia. As part of MAE, he did field placement at the Institut Pasteur du Cambodge, Phnom Penh, Cambodia, where he worked on a malaria project. He was also deployed to support the COVID-19 response at the Cambodian Communicable Disease Control Department (CCDC) in 2020. He started his latest job as research team leader on a non-communicable disease project at NIPH in January 2021.