Prof. Tanya Doherty is a chief specialist scientist with a research focus on health-system requirements for the optimal delivery of priority child-health and nutrition programmes at community and primary care. She has conducted several cluster-randomised trials and programme evaluations of community and primary-care interventions in South Africa and across the continent and has published over 150 peer-reviewed articles. She is also an honorary professor in the Department of Paediatrics and Child Health at the University of Cape Town and extraordinary professor in the School of Public Health at the University of the Western Cape where she teaches and supervises masters and PhD students.