Chesmal Siriwardhana is Associate Professor in Global Mental Health at the London School of Hygiene & Tropical Medicine. He is a medical doctor by training and completed his PhD in Psychiatric Epidemiology at the Institute of Psychiatry, Psychology & Neuroscience, King’s College London. Previously, he was a Senior Lecturer in Public Health at the Anglia Ruskin University, UK, where he founded the Global Public Health, Migration & Ethics Research Group (www.globalhme.org). Chesmal has research interests in the areas of global mental health, migration health, psychiatric epidemiology, enhancing primary care, resilience research and humanitarian research ethics. He has conducted mental health research in low- and middle-income countries including Sri Lanka and currently leads international collaborative research projects across countries in South Asia, South East Asia, Africa, Middle East and Eastern Europe. Chesmal teaches public health, global mental health, research ethics and migration at LSHTM and King’s College London among others. He has published extensively in a range of subjects and is also a trained science communicator/journalist.