Professor Ben Marais works in Paediatric Infectious Diseases at the Westmead Children’s Hospital. He is co-Director of the Sydney Institute for Infectious Diseases (Sydney ID) at the University of Sydney (www.sydney.edu.au/infectious-diseases-institute) and co-leads the WHO Collaborating Centre in Tuberculosis and the NHMRC Centre for Research Excellence in Tuberculosis (www.tbcre.org.au). His research focuses primarily on how children are affected by the global tuberculosis epidemic and the spread of drug resistant TB. He is deputy-Chair of the WHO/STOP-TB Partnership Child and Adolescent TB working group.