Dr. Heu Rina is a Cambodian researcher and lecturer specializing in Environmental Science and Engineering. She holds a Ph.D. from Tokyo Institute of Technology, an M.Eng. from Chulalongkorn University, and a B.Eng. from the Institute of Technology of Cambodia. Her research focuses on water and wastewater treatment, water quality, air pollution, and ecosystems. She has led multiple research projects and published in international journals. Dr. Rina has received several awards, including the Science Prize for Women (2021) and Best Lecturer-Researcher Award (2023). She is recognized for her contributions to water sustainability and environmental engineering in Cambodia.