Ben R. Newell is Professor of Psychology and Deputy Head of the School of Psychology at UNSW Sydney. He has published many articles and book chapters on human judgment and decision making and is the lead author of the book Straight Choices: The Psychology of Decision Making.

David R. Shanks is Professor of Psychology and Deputy Dean of the Faculty of Brain Sciences at University College London. He has published many articles and book chapters on learning, memory, and decision making and is coauthor of Straight Choices: The Psychology of Decision Making.