Laura L. Carstensen, PhD is Professor of Psychology and the Fairleigh S. Dickinson, Jr., Professor in Public Policy at Stanford University, where she is also founding director of the Stanford Center on Longevity. For more than twenty years her research has been supported by the National Institute on Aging; in 2005 she was honored with a MERIT award which extends this support another decade. Carstensen is best known for socioemotional selectivity theory, a life-span theory of motivation. Her most recent empirical research focuses on ways in which motivational changes influence cognitive processing and emotional experience. Carstensen is a fellow in a number of professional organizations including the American Psychological Society and the American Psychological Association. Her honors include Stanford University's Deans Award for Distinguished Teaching and a Distinguished Career Award from the Gerontological Society of America. In 2003, she was selected as a Guggenheim Fellow. Currently, she is a member of the MacArthur Foundation Network on Aging Societies and the National Advisory Council on Aging. Carstensen received her B.S. from the University of Rochester and her Ph.D. in Clinical Psychology from West Virginia University.