Christopher Peterson has been at the University of Michigan since 1986. He is Professor of Psychology, the former director of clinical training, and an Arthur F. Thurnau Professor, awarded in recognition of his accomplishments as an undergraduate instructor. Peterson is a member of the Positive Psychology Steering Committee, a consulting editor of the Journal of Positive Psychology, and a Templeton Senior Fellow at the University of Pennsylvania's Positive Psychology Center. He took the lead in creating the Values in Action (VIA) Classification of Strengths, the most ambitious research project to date explicitly undertaken from a positive psychology perspective. Co-author of Character Strengths and Virtues (OUP 2004), Peterson is among the world's 100 most-frequently cited psychologists during the past 20 years and has long-standing research interests in optimism, health, character, and well-being.