Her research converges on topics related to the influence of social context on consumers, target marketing, the social impact of commercial marketing efforts, and social marketing. Her current research investigates the relationship between marketing activities and consumer health, with a focus on obesity. Grier has published her research in leading marketing, psychology, and health journals including the American Journal of Public Health, Health Affairs, the Journal of Public Policy and Marketing, the Journal of Marketing Research, and the Journal of Experimental Social Psychology. She received her PhD in marketing, with a minor in social psychology, from Northwestern University in 1996. Grier also has an MBA from Northwestern University’s Kellogg School of Management.