Michael Weisberg is interim director of Perry World House, as well as Bess W. Heyman President’s Professor of Philosophy at the University of Pennsylvania. A philosopher of science and senior negotiator at United Nations Climate Conferences, he is editor-in-chief of Biology and Philosophy and director of the Galápagos Education and Research Alliance. He is the author of Simulation and Similarity: Using Models to Understand the World, co-author of the landmark photographic study Galápagos: Life in Motion, and a contributing author to the Intergovernmental Panel on Climate Change's Sixth Assessment Report. An expert on the climate needs of small island developing states, Weisberg currently serves as senior advisor to Jamaica's Permanent Representative to the United Nations and as an advisor to the Fiji and Palau negotiating teams at COP. Weisberg was a leading voice in the development of the "mosaic of solutions" for addressing loss and damage due to the adverse impacts of climate change, which led to major breakthroughs on the topic at COP27 and COP28. He received a PhD and MA in Philosophy from Stanford University and a BS in Chemistry and BA in Philosophy with Highest Distinction from the University of California at San Diego.