Michael Geruso is an economic demographer, public economist and associate professor of economics at the University of Texas at Austin, where he has taught since 2014. He earned his PhD in economics from Princeton and completed postdoctoral work at Harvard.

His research covers US health insurance markets, including Medicare and Medicaid, environmental influences on health in developing countries, and population change. In 2023 and 2024 he served as a senior economist at the White House Council of Economic Advisers, advising on health and demography. He is co-author, with Dean Spears, of After the Spike, a book on global population decline, and an affiliate of the National Bureau of Economic Research.