Paul Kelleher is Associate Professor in the Department of Medical History & Bioethics at the University of Wisconsin–Madison. Kelleher, who also holds an appointment in the department of philosophy, studies ethical and philosophical aspects of public policy, especially health and environmental policy. His published work explores issues concerning public health ethics, health and distributive justice, priority-setting and health care rationing and the economics of climate change.

He received a Ph.D. in Philosophy from Cornell University, and was a postdoctoral fellow in the Program in Ethics & Health at Harvard University. Professor Kelleher works in areas of applied ethics and political philosophy that have a bearing on health policy (broadly construed). In 2019, Kelleher was elected as a fellow of the Hastings Center, a national bioethics research institute.