Sassy is a Professor in Global Health at the University of Oxford, and a senior researcher at the KEMRI-Wellcome Trust Research Programme in Kenya.  She is a multidisciplinary researcher with a background in human geography and behavioural studies.  Her current main research areas span health policy and systems research (system governance, financing, and responsiveness to patients and publics) and empirical ethics, including the everyday ethics of frontline health provision and of conducting studies in resource poor settings.  Sassy sits in leadership positions in several international networks, including the Global Health Bioethics Network, the Ethics Thematic Working Group in Health Systems Global, and – until recently – RINGS, a partnership to foster gender and ethics analysis in health systems research and practice.  Sassy lived in Kenya for 26 years, returning to the UK in 2020.