Willibald Ruch, PhD, is Professor for Personality and Assessment at the University of Zurich, Switzerland, a fellow of the International Positive Psychology Association, and a senior scientist at the VIA Institute on Character in Cincinnati, OH, USA.
Arnold B. Bakker, PhD, is Professor of Work and Organizational Psychology at Erasmus University Rotterdam, The Netherlands, a visiting professor at several universities, and a fellow of numerous professional associations.
Louis Tay, PhD, is Professor of Industrial-Organizational Psychology at Purdue University, West Lafayette, IN, USA. His research interests cover methodology (i.e., measurement, continuum specification, latent class modeling, Big Data / data science) and well-being.
Fabian Gander, PhD, is a postdoc in the Department of Psychology at the University of Basel, Switzerland. He received his PhD from the University of Zurich and he serves as co-editor of the Journal of Happiness Studies.