Dominic Sisti, PhD is director of the Scattergood Program for the Applied Ethics of Behavioral Health Care and assistant professor in the Department of Medical Ethics & Health Policy at the University of Pennsylvania. He holds secondary appointments in the Department of Psychiatry, where he directs the ethics curriculum in the residency program, and the Department of Philosophy.

I specialize in philosophy of science, philosophy of biology, and philosophy of race.  In philosophy of science, I primarily focus on metaphysical problems in science, such as what is an appropriate way to define "natural kinds."  In philosophy of biology, I primarily focus on metaphysical problems in biology, such as whether biological populations can have fuzzy temporal parts; and whether there's any way to divide Homo sapiens into biologically real races for taxonomy, population genetics, or medicine.