Stephen Joseph, Ph.D, is interested in the study of human flourishing. Known internationally as a leading expert on positive psychology, he is the editor of the ground-breaking book Positive Psychology in Practice: Promoting human flourishing in work, health, education and everyday life. He is a professor n the School of Education at the University of Nottingham, UK. He studied at the London School of Economics, before going on to gain his doctorate from Kings College London Institute of Psychiatry, Psychology and Neuroscience for his pioneering work in the field of psychological trauma. His book What Doesn't Kill Us: The new psychology of posttraumatic growth is available in translation across the world. His latest book is Authentic: How to be yourself and why it matters.