Chan School of Public Health. She is a psychologist and epidemiologist whose research aims to identify, understand, and alter the environmental and social forces that promote unhealthy eating behaviors linked to obesity and eating disorders. Christina is principal investigator of the Psychology of Eating And Consumer Health (PEACH) lab, which uses diverse research methods to study current food policy issues including menu labeling, front-of-package food labeling, food and diet industry marketing, and policies to reduce sugary drink consumption. In her work, she draws upon the fields of psychology, marketing, behavioral economics, and public health to answer research questions that can provide policymakers and institutions with science-based guidance.