Jan Baars is Professor of Gerontology at the University of Humanistic Studies, the Netherlands. His most recent book is Aging and the Art of Life.Joseph Dohmen is Professor in Philosophical and Practical Ethics at the University for Humanistic Studies, the Netherlands. He has written several books on Nietzsche and Foucault, art of living and self care.Amanda Grenier is the Gilbrea Chair in Aging and Mental Health, and Associate Professor in Health, Aging and Society at McMaster University, Canada. She is the author of Transitions and the Lifecourse: Challenging the constructions of 'growing old' (Policy Press, 2012). Chris Phillipson is Professor of Applied Social Studies and Social Gerontology, at the University of Manchester, UK. He is the co-editor (with Dale Dannefer) of the Sage Handbook of Social Gerontology and author of a forthcoming book called Ageing.