Ajeng Tias Endarti is an accomplished epidemiologist and lecturer with expertise in modeling HIV estimates and projections at various levels, including national, provincial, and district levels. Her work involves conducting impact analyses of HIV interventions on both incidence and mortality, with funding support from UNAIDS. Additionally, she have contributed to national studies on COVID-19 and tuberculosis, showcasing your versatility in addressing multiple public health challenges. Her epidemiological modeling skills extend beyond HIV, as evidenced by her involvement in projects funded by WHO to model Hepatitis B and C. Her dedication to public health, extensive experience in epidemiological modeling, and collaboration with international organizations highlight your significant contributions to the field.