Sassy Molyneux is a Professor in Global Health employed by Oxford University, UK, based at the Kenya Medical Research Institute-Wellcome Trust Research Programme in Kilifi, Kenya. She is a behavioural scientist, with a background in human geography. Her current main research areas span health policy and systems research, including system financing, governance and responsiveness to patients and the broader public; and research ethics, including the everyday ethics of conducting studies in resource-poor settings, and processes and practices of informed consent, benefit-sharing, community engagement and data-sharing in diverse contexts. Cross-cutting interests include supporting organizational capacity and positive change, understanding and challenging gendered power relations and underlying structural drivers of those relations, intersectional analyses, and translating research findings into policy and practice.