She has worked on the economics of HIV prevention since 2000. She has a particular interest in incorporating consumer demand into conventionally supply-side interventions. Her projects span economic evaluations and preference studies of new prevention technologies, including rapid diagnostics for syphilis, HIV pre-exposure prophylaxis (PrEP) for and HIV self-testing. She is co-Lead of the Centre for Health Economics in London (CHiL) theme on the Economics of Preferences and Behaviour (tinyurl.com/LSHTM-CHiL ) and co-Convenor of IHEA’s Special Interest Group on Health Preference Research (tinyurl.com/IHEA-Sig-HPR).