Michael Craig Weisberg (born October 20, 1976) is an American philosopher of science, currently Bess W. Heyman President's Distinguished Professor of Philosophy at the University of Pennsylvania, where he also serves as Deputy Director of Perry World House, directs the Galápagos Education and Research Alliance, and is a Non-resident Senior Advisor for the International Peace Institute.

Professor Weisberg is a Life Member of the Council on Foreign Relations.

in philosophy in 1999 from the University of California, San Diego,[1] where he studied with Philip Kitcher.

He earned his Ph.D. in philosophy in 2003 at Stanford University under the supervision of Peter Godfrey-Smith.

[2] Weisberg is known for his research in philosophy of science, especially the relationship between idealization and the use of models in biology and chemistry, as well as his work in social ecology and global climate policy.