Hidenobu Matsuzaki is a medical doctor and PhD student in infectious disease epidemiology. His research focuses on antimicrobial resistance (AMR), particularly bloodstream infections caused by resistant pathogens such as MRSA and drug-resistant Escherichia coli, Klebsiella pnemoniae.

Using large-scale surveillance and real-world healthcare data from Japan and the United Kingdom, he investigates trends in incidence, mortality, and health burden, with the aim of informing evidence-based public health policy and antimicrobial stewardship. His work combines epidemiological modelling, comparative international analysis, and applied data science.