Tiwonge Chimpandule Chirwa is a PhD candidate at the Institute of Social and Preventive Medicine (ISPM), University of Bern. He joined the Graduate School for Cellular and Biomedical Sciences (GCB) in April 2025. His research uses novel, AI‑digitized nationwide patient‑level records to assess Malawi’s integrated HIV, syphilis, and hepatitis B testing, including the move to a three‑test HIV algorithm, the impact of hepatitis B vaccination and co‑infection patterns. He holds an MSc in Biostatistics from the University of Malawi and supports the Ministry of Health’s Directorate of HIV, Syphilis and Hepatitis B with design of national data systems, monitoring, surveillance, impact evaluation and decision support.