Prof. Anthony D. Harries is a senior advisor at the International Union Against Tuberculosis and Lung Disease in France and an honorary professor at the London School of Hygiene and Tropical Medicine in the UK. He is a physician and a registered specialist in the United Kingdom in infectious diseases and tropical medicine. After working for ten years in the UK National Health Service in hospital medicine, he moved to Northeast Nigeria, Africa, in 1983. In 1986, he moved to Malawi, where he was consecutively a Consultant Physician, Foundation Professor of Medicine at the new medical school in Blantyre, National Advisor to the Malawi Tuberculosis Control Programme, and National Advisor in HIV care and treatment in the Ministry of Health. He was responsible for scaling up antiretroviral therapy in the country. In 2008, he returned to the UK, where he works for the International Union Against Tuberculosis and Lung Disease, Paris, France. His main interests are in the fields of tuberculosis, HIV/AIDS, non-communicable diseases, tropical medicine, and operational research. He has served many years on various WHO committees, and for two years, he was the Chair of the WHO-HIV Strategic and Technical Advisory Committee (STAC), reporting to the WHO Director General.