Richard Ebstein is Professor in the Psychology Department at the National University of Singapore and Professor Emeritus in the Psychology Department at the Hebrew University. In Singapore, Ebstein along with Chew Soo Hong, is heading a group of researchers including economists, psychologists, neuroscientists and molecular geneticists investigating core issues in the nascent field of neuroeconomics.

Angela Duckworth is an Associate Professor in the Department of Psychology at the University of Pennsylvania. She studies individual differences that predict achievement. Her research centers on self-control (the ability to regulate emotions, thoughts, and feelings in the service of valued goals) and grit (perseverance and sustained interest in long-term goals). In prospective, longitudinal studies, she documents the relationships among self-control, grit, and intelligence, and their prediction of academic and professional achievement.

Fritz Drasgow is a Professor of Psychology at the University of Illinois at Urbana-Champaign. His research focuses on psychological measurement, computerized testing, and the antecedents and outcomes of sexual harassment. His recent work focuses on psychometric theory for personality assessment. Drasgow is exploring the use of ideal point models in which the probability of a positive response is greatest when the item closely describes the person and decreases when the item reflects a trait level that is either lower or higher than the individual's trait level.

Brent Donnellan is an Associate Professor of Psychology at Michigan State University. He investigates research questions at the intersections of personality psychology, developmental psychology, and psychological assessment. His current efforts focus on personality development, the role of individual differences in interpersonal relationships, and theoretical models linking economic conditions to human development. Donnellan is currently an Associate Editor for the Journal of Research in Personality and for Personality and Social Psychology Bulletin.

Ian Deary is Professor of Differential Psychology at the University of Edinburgh, and Director of the Medical Research Council-administered Centre for Cognitive Ageing and Cognitive Epidemiology. He graduated in Psychology and Medicine at the University of Edinburgh, and studied there for his PhD. He practised psychiatry in London and Edinburgh before moving to academic psychology.

Simona de Falco is a Research Fellow at the University of Trento. She is a developmental psychologist with clinical experience in diagnostic assessment of parent-child relationship and of autism spectrum disorders. Her main research interests focus on parent-child interaction and its relation with child psychological abilities (language, play skills, joint attention, emotional availability) in typical and atypical development. de Falco taught Developmental Psychology at the University of Trento from 2006 to 2010, and taught Disability Psychology at the University of Valle D'Aosta in 2005.

Philip Corr is a Professor of Psychology at City University London, UK. Previously, he was a Professor of Psychology at Swansea University, and then University of East Anglia. Corr has published over 100 scientific papers, and he is the author of 'Understanding Biological Psychology' (2006; Oxford: Blackwell); the single editor of 'The Reinforcement Sensitivity Theory of Personality' (2008; Cambridge University Press); and the joint editor (with Gerald Matthews) of 'The Cambridge Handbook of Personality Psychology' (2009; Cambridge University Press).

Rand Conger is a Distinguished Professor of Psychology, Human Development, and Family Studies at the University of California Davis. Conger has been a faculty member at the University of Georgia, the University of Illinois at Urbana/Champaign, and Iowa State University. He has held several administrative posts, most notably as the founding Director for the Institute for Social and Behavioral Research at Iowa State University.

Young Eun Chang is currently an Associate Professor at Chung-Ang University in Korea. Her interests lie in the area of child care, working mothers and psychological health of young children.

Chang  received her Ph.D. from the University of Texas at Austin.

Avshalom Caspi is the Edward M. Arnett Professor of Psychology and Neuroscience and Psychiatry and Behavioral Sciences at Duke University.