Lindsay G. Oades is Associate Professor and Deputy Director (Learning and Teaching) at the Centre for Positive Psychology, University of Melbourne, Australia, where he is also program coordinator of the Masters in Applied Positive Psychology (MAPP). He speaks at conferences around the world, and has published more than 100 peer-reviewed articles and scholarly book chapters. He is co-editor of the International Journal of Wellbeing.

Michael F. Steger is Associate Professor of Counseling Psychology and Applied Social Psychology at Colorado State University, USA. He is also Director for the Laboratory for the Study of Meaning and Quality of Life. His research interests concern better understanding the factors that promote human flourishing and ameliorate psychological suffering. He is the author of two books and Editor-in-Chief of the journal Psychology of Well-Being.

Antonella Delle Fave is Professor of Psychology at the Medical School, Università degli Studi di Milano, Italy. She has contributed to the development of the field of positive psychology as founding member and President of the International Positive Psychology Association (IPPA), the European Network of Positive Psychology (ENPP), and the Società Italiana di Psicologia Positiva (SIPP). She is Editor-in-Chief of the Journal of Happiness Studies.

Jonathan Passmore is Professor of Psychology at the University of Évora, Portugal, Managing Director of Embrion, a psychology consulting company, and one of the UK's foremost leadership coaches with a wealth of private sector and academic experience. His prolific research, writing, consultancy, and speaking have made him a recognized authority on coaching and organizational change. His many books include Excellence in Coaching (2006).