Igor Vojnovic is Professor and Interim Director of the Global Urban Studies Program at Michigan State University. His main area of research focuses on urban (re)development processes and the study of resulting socio-economic, physical, environmental and health impacts. He holds appointments in the Department of Geography, Environment and Spatial Sciences, the School of Planning, Design, and Construction and the Global Urban Studies Program. He is also the Editor-in-Chief of the Journal of Urban Affairs. Amber L. Pearson is an Assistant Professor at Michigan State University in the Department of Geography, Environment and Spatial Sciences and an Honorary Fellow at the University of Otago, Department of Public Health. She is a health geographer with a focus on social justice. She employs spatial and epidemiological methods to understand processes that lead to or exacerbate health inequalities globally. In her research she aims to explore aspects of the built, physical and social environment which can bolster equitable health. Gershim Asiki is a medical doctor with a PhD in Epidemiology, and an Associate Research Scientist at the African Population and Health Research Center (APHRC) in Nairobi, Kenya. His research focuses on generating evidence to drive stronger and more resilient systems for improved health of vulnerable populations. He has worked as a frontline physician (2001–2005) in a district hospital in Uganda, as a research scientist at the British Medical Research Council Unit in Uganda (2008–2015) and as a Technical Advisor with Columbia University (ICAP project) in Uganda, Cameroon and Namibia (2015–2017) leading country-wide population based HIV impact assessments. He currently leads research on chronic diseases, testing models for strengthening health systems' response to epidemiological trends of non-communicable diseases to influence policy and transform lives of vulnerable populations across Africa. Geoffrey DeVerteuil is a Senior Lecturer of social geography, urban geography and health geography at the School of Geography and Planning at Cardiff University. His work focuses on the geographies of social problems in cities—homelessness, mental health, substance abuse—as well responses to them, in terms of concepts such as poverty management, service hubs and social/spatial resilience. His recent work underlines the important role of the voluntary sector in both managing extreme poverty and creating particular perspectives on what it means to help the vulnerable. Adriana Allen is Professor of Development Planning and Urban Sustainability at the Development Planning Unit (DPU), University College London (UCL), where she is actively engaged in various initiatives promoting trans-local learning and enhanced research capacity, both within UCL and internationally.She has over 30 years' research experience in over 20 countries in Asia, Africa and Latin America. Adopting a political ecology perspective, her work focuses on investigating the scope for transformative links between socio-environmental change, justice and sustainability in urban and peri-urban contexts.