Ichiro Kawachi received both his medical degree and Ph.D. (in epidemiology) from the University of Otago, New Zealand. He has taught at the Harvard School of Public Health since 1992. Kawachi is the co-editor (with Lisa Berkman) of the first textbook on Social Epidemiology, published by Oxford University Press in 2000, alongside many other titles with the same publisher. His current project is focused on the longitudinal impacts of community social cohesion/social capital on functional recovery after the March 11, 2011 Great Eastern Japan earthquake and tsunami. In 2013, he launched a massive, open online course (MOOC) through HarvardX called "Health and Society" (PHx 201), in which 32,000 participants registered from throughout the world. Kawachi is the Co-Editor in Chief (with S.V. Subramanian) of the international journal Social Science & Medicine. He is an elected member of the Institute of Medicine of the US National Academy of Sciences. Iain Lang is a Consultant in Public Health with Devon County Council and a Senior Lecturer in Public Health with PenCLAHRC, and from 2014 to 2017 Iain was an NIHR Knowledge Mobilisation Research Fellow.Much of Iain's research deals with issues of knowledge mobilisation and implementation science. Substantively, he is interested in health in later life and particularly in dementia and frailty. Supporters of his research include the National Institute for Health Research, Alzheimer's Society, and the Department of Health. In Iain's role as Associate Dean (International & Development) he is responsible for leading UEMS's work on internationalization, including international research partnerships and global reputation, and for philanthropy and fundraising. Walter Ricciardi is Professor of Hygiene and Public Health at the Catholic University of the Sacred Heart in Rome. in August 2015 he was appointed President of the Italian National Institute of Health (Istituto Superiore di Sanità) where he was Commissioner from July 2014 to July 2015. In Italy he was member of the Higher Health Council of the Ministry of Health in the years 2003-2006 and the Italian Minister of Health appointed him Chair of the Public Health Section of the Council itself from 2010 to 2014. In December 2015, he was appointed Director of the WHO Collaborating Centre for Health Policy, Governance and Leadership at the Institute of Public Health, Medical School, Catholic University of the Sacred Heart - Rome. In June 2017 he was appointed Commendatore of the Italian Republic by Decree of the President of the Republic, and then in November 2017 he was appointed Italian Representative in the Executive Board of WHO.