Professor of Philosophy, University of Oregon

Executive Director, University Studies and Professor of Philosophy, Portland State University

Emeritus Professor of Philosophy, University of Richmond

Professor of Practice, Positive Psychology Center, University of Pennsylvania

Profesor Emérito, Universidad de Navarra, España

Professor of Philosophy, University of Oregon

Distinguished University Professor, Georgia State University

Texas A & M University

Professor of Philosophy

Professor of Philosophy and Environmental and Sustainability Studies, Grand Valley State …