John F. Helliwell, of the Vancouver School of Economics at UBC, long-time Research Associate of the NBER, is Senior Fellow of the Canadian Institute for Advanced Research and Co-Director of CIFAR’s program on ‘Social Interactions, Identity and Well-Being’. Helliwell’s recent books include Well-Being for Public Policy (OUP, with Ed Diener, Richard Lucas and Ulrich Schimmack, 2009); International Differences in Well-Being (OUP, edited with Diener and Daniel Kahneman, 2010); and five editions, 2012-2017, of the World Happiness Report (edited with Richard Layard and Jeffrey Sachs). He is Fellow of the Royal Society of Canada and Officer of the Order of Canada. For more detail see: http://faculty.arts.ubc.ca/jhelliwell/