Roger A. Pielke Jr., born November 2, 1968, is an American political scientist and a nonresident senior fellow at the conservative think tank American Enterprise Institute.
He earned a B.A. in mathematics (1990), an M.
A. in public policy (1992), and a Ph.D.
in political science (1994), all from the University of Colorado Boulder. From 1993 to 2001, he worked as a staff scientist in the Environmental and Societal Impacts Group of the National Center for Atmospheric Research.