Brian Wansink (born June 28, 1960) is an American former professor and researcher who worked in consumer behavior and marketing research. He was the executive director of the USDA's Center for Nutrition Policy and Promotion (CNPP) from 2007 to 2009 and held the John S. Dyson Endowed Chair in the Applied Economics and Management Department at Cornell University, where he directed the Cornell Food and Brand Lab. Wansink's lab researched people's food choices and ways to improve those choices.
https://en.wikipedia.org/wiki/Brian_Wansink