Peter Vallentyne (/ˈvælənˌtaɪn/; born March 25, 1952, in New Haven, Connecticut) is Florence G. Kline Professor of Philosophy at the University of Missouri in Columbia, Missouri.
He holds dual citizenship in the United States and Canada.
from McGill University in 1978 and his Ph.D. from the University of Pittsburgh in 1984, under the direction of David Gauthier and with significant help from Shelly Kagan.
Vallentyne has written on a variety of topics in ethical theory and political philosophy, including consequentialism, contractarianism, moral dilemmas, responsibility, equality, self-ownership, liberty, and justice.
He defends a version of equal opportunity for wellbeing left-libertarianism.