Anna Rusydi is an environmental researcher at the Research Center for Limnology and Water Resources, Indonesia's National Research and Innovation Agency (BRIN). She graduated in Environmental Engineering from the Institute of Technology of Bandung (ITB). She then advanced her hydrology expertise at Hiroshima University (Hirodai), Japan, where she was acknowledged as an excellent doctoral student. During her time at Hirodai, she was assigned research assistance at Hirodai's Laboratory of Biogeochemistry and taught courses on water quality as a qualified teaching assistant. Anna actively conducts research on groundwater and its environment in collaboration with Indonesian and foreign researchers. In her research, she investigates environmental phenomena using hydrochemistry, geochemistry, and environmental isotopes. She publishes her findings in national and global scientific journals and conferences, for which she has received several awards as best presenter.