dr. Siti Nadia Tarmizi, M.Epid is a distinguished epidemiologist and senior official at the Indonesian Ministry of Health (Kemenkes RI), widely recognized for her leadership in national public health policy. She has held several pivotal roles within the ministry, including serving as the Director of Prevention and Control of Direct Communicable Diseases and the Head of the Bureau of Communication and Public Service. Renowned for her strategic contributions to national disease control programs, health communication, and public health crisis management, her extensive expertise continues to shape and strengthen Indonesia's healthcare landscape, making her a highly honored guest speaker at PIT PERDAMI 51.