Justice is Associate Professor of health economics and policy at the School of Public Health, University of Ghana, Legon, where he teaches undergraduate and graduate students in health economics and policy, health systems leadership, economic evaluation and impact evaluation. Justice’s research interests include, among others, economic and impact evaluation of health, population, nutrition and environmental programs, health technology assessment, health care financing (including fiscal space analysis and financing of health in transition countries). His research collaborations and consultancies funded by major organizations have involved countries such as Botswana, Burkina Faso, Burundi, Comoros, Denmark, Ethiopia, India, Mali, Malawi, Madagascar, Mexico, Niger, Nigeria, Kenya, Senegal, South Africa, The Netherlands, United States of America, United Kingdom, Zimbabwe. Justice is also Chair of the Global Evaluation and Monitoring Network for Health (GEMNet-Health), a global network of institutions pushing the frontiers of monitoring and evaluation capacity development and research. He is also an Adjunct Assistant Research Professor of New York University's College of Global Public Health and Adjunct Faculty at Public Health Foundation of India. Justice was a Visiting Scholar at the Duke Global Health Institute in 2019. Since 2007, he has been a member of International Health Economics Association (serves on Professional Development sub-committee and scientific review committee for the past four World Congresses on health economics). Dr. Nonvignon is currently Associate Editor of BMC Health Services Research.