Dr. Hill received his PhD from the University of Notre Dame in Psychology, and is currently an Associate Professor of Psychological and Brain Sciences at Washington University in St. Louis. His research focuses on understanding how dispositional traits predict and shape trajectories of healthy aging. His current research is focused on helping individuals explore options for and ultimately commit to a purpose for life, and how having a sense of purpose predicts important life outcomes. His research program considers these questions with the intent of promoting healthy development from adolescence into older adulthood. Dr. Allemand received his PhD from the University of Zurich in Psychology, and is currently an Assistant Professor at the Department of Psychology and member of the University Research Priority Program Dynamics of Healthy Aging of the University of Zurich. His research interests are in four closely linked areas: personality development across the lifespan, personality dynamics and processes in daily life, personality assessment in the laboratory and in daily life, and personality intervention approaches. His work uses samples ranging from adolescence to late adulthood and longitudinal and intensive longitudinal research methods.