Dulmini Nanayakkara Sapugahawatte is a microbiologist and academic researcher whose work focuses on infectious diseases, antimicrobial resistance (AMR), molecular epidemiology, and the One Health approach. She is affiliated with the Estonian University of Life Sciences (EMU) in Tartu, Estonia, where she conducts research and contributes to veterinary microbiology and virology education. Her academic background combines medical microbiology, bacterial genomics, infectious disease research, and applied veterinary and public health microbiology.