Michael Weisberg is a philosophy professor at the University of Pennsylvania. His research focuses on the philosophy of science, especially the role of idealization in biological and chemical modeling. Much of this work focuses on models drawn from evolutionary ecology and structural chemistry.

His other research includes a characterization of modeling tradeoffs, defense of the importance of robustness analysis, the nature of the chemical bond, the division of cognitive labor, and the psychological basis of the public understanding of science.

Besides his primary affiliation in philosophy, Professor Weisberg is also a faculty affiliate of the Institute for Research in Cognitive Science and the Center for Cognitive Neuroscience.