Arthur Lupia is the Hal R. Varian Professor of Political Science at the University of Michigan and research professor at its Institute for Social Research. He examines how information and institutions affect policy and politics, with a focus on how people make decisions when they lack information. He draws from multiple scientific and philosophical disciplines and uses multiple research methods. His topics of expertise include information processing, persuasion, strategic communication, and civic competence. His books include The Democratic Dilemma: Can Citizens Learn What They Need to Know? (1998); Elements of Reason: Cognition, Choice, and the Bounds of Rationality (2000); and The Cambridge Handbook of Experimental Political Science (2011).

He currently serves Chair of the National Academy of Science's Roundtable of the Application of Social and Behavioral Science Research, is Chairman of the Board of the Center for Open Science, and is an executive member of the Board of Directors of Climate Central. He is past Chair of the Division of Social. Economic, and Political Sciences at the American Association for the Advancement of Science.
He has also received multiple honors including the Ithiel de Sola Pool Award from the American Political Science Association, and National Academy of Sciences' Award for Initiatives in Research. He is an elected member of the American Academy of Arts and Sciences, a Fellow of the American Association for the Advancement of Science. He has been a Guggenheim Fellow and is one of the inaugural Andrew Carnegie Fellows.