Professor Marks is a respiratory and public health physician and epidemiologist, President and interim Executive Director of the International Union Against Tuberculosis and Lung Disease. In this capacity he also serves on the Board of the NCD Alliance and the STOP TB Partnership. He is a member of the steering committee of the Global Asthma Network and has led the Centre for Air pollution, energy and health Research (CAR, an NHMRC Centre of Research Excellence) since 2012. His main research interests are chronic respiratory disease (asthma and COPD), tuberculosis control and the adverse health effects of exposure to air pollution.