Jon A. Krosnick is the Frederic O. Glover Professor in Humanities and Social Sciences and professor of communication, political science, and psychology at Stanford University. He is a leading international authority on questionnaire design and survey research methods, and on the psychology of attitudes, especially in the area of politics. For 30 years, Krosnick has studied how the American public's political attitudes are formed, change and shape thinking and action. 

Krosnick conducts research in three primary areas: (1) attitude formation, change and effects; (2) the psychology of political behavior; and (3) the optimal design of questionnaires used for laboratory experiments and surveys, and survey research methodology more generally.

For more than 15 years, Krosnick has been conducting survey research on the American public’s views of global warming. The Stanford Woods Institute for the Environment has provided support for much of his recent work on views of global warming.

Krosnick directs Stanford University’s Political Psychology Research Group, a cross-disciplinary team of scholars who conduct empirical studies of the psychology of political behavior and studies seeking to optimize research methodology for studying political psychology. The group's studies employ a wide range of research methods, including surveys, experiments and content analysis, often in collaboration with leading news media organizations such as ABC News, the Associated Press, the Washington Post and Time magazine.

Krosnick also directs the Summer Institute in Political Psychology, an annual event that brings 60 students and professionals from around the world to Stanford for intensive training in political psychology theory and methods.

He is the author of four books and more than 140 articles and chapters. He is also a fellow of the American Academy of Arts and Sciences and of the American Association for the Advancement of Science.