J. Jill Suitor Ph.D., is Distinguished Professor of Sociology and a Faculty Associate of the Center on Aging and the Life Course at Purdue University. Her research focuses on the effects of intergenerational relations on psychological and physical well-being. Her research has been supported by the National Institute on Aging, the National Institute of Mental Health, and the Spencer Foundation, and has resulted in the publication of more than 125 journal articles and book chapters. She is Deputy Editor-in-Chief of Innovation in Aging and Associate Editor of The Journal of Gerontology: Social Sciences, both of which are sponsored by the Gerontological Society of America and published by Oxford University Press. She has also served as a standing member of the National Institutes of Health Study Section on Personality, Social Psychology, and Interpersonal Processes. Since 2001, she has led the Within Family Differences Study (WFDS), an NIH-supported panel investigation of the causes and health consequences of within-family differences and parental favoritism and disfavoritism in more than 550 multigenerational families.