Michael Weisberg is professor and chair of philosophy at the University of Pennsylvania. His research focuses on the philosophy of science, especially the role of idealization in modeling. His other research includes social and cultural evolutionary theory, the nature of the chemical bond, the division of cognitive labor, and the public understanding of evolution and climate change.

Professor Weisberg is also a Distinguished Research Fellow of the Annenberg Center for Public Policy, a faculty affiliate of the Institute for Research in Cognitive Science and the Center for Cognitive Neuroscience, and a member of the governing board of the Philosophy of Science Association.