BIO

John Costello is the John W. Berry Sr. Associate Professor of Marketing at the University of Notre Dame’s Mendoza College of Business. Dr. Costello’s research focuses on consumer behavior. Within this domain, his work explores (1) the inferences consumers make about companies and marketing tactics, and how these inferences affect their consumption behaviors, and (2) issues central to consumer and societal well-being (e.g., prosocial behavior, health decisions). Dr. Costello’s research has appeared in leading journals, including the Journal of Consumer Research, the Journal of Marketing Research, and the Journal of Marketing. His research has also been featured in the Harvard Business Review, Wall Street Journal, Forbes, Fast Company, Adweek, and Stanford Social Innovation Review, among others. Dr. Costello serves as an Associate Editor for the Journal of Marketing and the Journal of Public Policy & Marketing, and as a member of the Editorial Review Board of the Journal of Marketing Research. His research has been recognized as a winner or finalist of several awards, including the Journal of Marketing’s Shelby D. Hunt/Harold H. Maynard Award (2020), the Mendoza Mission Research Award (2023), the Dincolo Outstanding Research Award (2024), and the Journal of Marketing Research’s Paul E. Green/Vithala R. Rao Award (2025). He was selected as a 2025 Marketing Science Institute (MSI) Young Scholar.