Tonia Marquardt is a public health physician who has worked in a range of remote and developing contexts throughout her career. Over the last 25 years she has spent time working with Médecins Sans Frontières on various projects, including relating to HIV in Malawi and to refugees and internally displaced people in Liberia, Darfur and Bangladesh. She has responded to multiple disease outbreaks (cholera, measles, meningitis) in the course of those projects, as well as to measles in Uganda and Ebola in South Sudan. As a women’s health advisor, she has supported activities in multiple locations, including Nigeria, Yemen, Sri Lanka, Pakistan and Philippines. She has also spent time as a regional medical lead on projects dealing with hepatitis C in Cambodia, tuberculosis in Papua New Guinea and leishmaniasis in Pakistan. Tonia has spent many years in far North Queensland, where she worked in retrieval medicine and primary health care with the Royal Flying Doctor Service, mostly in Cape York. During this time, Tonia obtained dual fellowships in General Practice and Rural and Remote Medicine. She was part of the editorial team for the first Chronic Conditions Manual. Recently, Tonia has been working in Queensland Public Health Units as she completed her physician training; her roles included responding to communicable diseases such as COVID-19, melioidosis, meningitis and diphtheria. She also supported the Rheumatic Heart Register team and worked on the addition of acute post-streptococcal glomerulonephritis to the list of nationally notifiable diseases.