Doris completed her PhD in health economics and public health in 2009 from University of New South Wales, Australia and a Masters in Public Health 2004 from London School of Hygiene and Tropical Medicine, United Kingdom. Doris joined KEMRI-Wellcome Trust Research Programme in 2011 as Post-Doctoral Researcher. Her research interests include health equity, health systems research, and use of technology to deliver health care (e-Health) interventions, social determinants of health and Health in All Policies, health care financing and economic evaluation of health related interventions. Her current research involves evaluating different health financing mechanisms and expanding fiscal space for health to contribute to the current global and national debate on universal health coverage and health systems strengthening. Her other interests include engaging policy makers in finding evidence based innovative approaches to ensure those socially and economically disadvantaged population groups have access to quality and affordable health care. Doris is an expert advisor for WHO regional office on health equity and social determinants of health and is a member of different public health and health economics organisations.