Thomas Dashiff Gilovich is a professor of psychology at Cornell University who has done research in social psychology, decision making, and behavioral economics, and has written popular books on these topics. He has collaborated with Daniel Kahneman, Richard Nisbett, Lee Ross, and Amos Tversky.
Gilovich earned his B.A. from the University of California, Santa Barbara and her Ph.D. in psychology from Stanford University in 1981. He is a member of the American Academy of Arts and Sciences and a member of the Committee for Skeptic Research
His research with how people evaluate evidence from their everyday experience to make judgments, form beliefs, and decide on courses of action, and how they sometimes underestimate that evidence and make wrong judgments, form questionable beliefs, and embark on counterproductive courses of action .