Prof. Sarah Cleaveland is a veterinary epidemiologist based at the University of Glasgow who leads a One Health research programme in East Africa. After training as a zoologist at Southampton University and as a veterinarian at the University of Cambridge, she carried out her PhD at the London School of Hygiene and Tropical Medicine focusing on rabies and canine distemper in the Serengeti ecosystem, Tanzania. Since then, she has established international collaborations and interdisciplinary partnerships to address a wide range of zoonotic and livestock disease problems affecting human and animal health, rural livelihoods and wildlife conservation, primarily in East Africa. She is committed to applying One Health research to accelerate progress towards Sustainable Development Goals, to address health inequalities and neglected diseases of poverty, and to develop land-use strategies to optimise ecosystem health outcomes. Prof. Cleaveland is involved in several graduate training programmes and One Health capacity-strengthening initiatives with partner institutions across East and West Africa. She was a founding member of the Global Alliance for Rabies Control, is a Fellow of the Royal Society, the Royal Society of Edinburgh and the UK Academy of Medical Sciences and is a member of the US Academy of Medicine. In 2014, she was awarded an OBE for services to veterinary epidemiology.