Peter Pirolli is a Research Fellow in the Augmented Social Cognition Area at the Palo Alto Research Center (PARC). He is well known in the Human-Computer Interaction field for pursuing studies of human information interaction. His most well-known work is the development of Information foraging theory with Stuart Card. 
Before joining PARC, Peter was a tenured Professor in the School of Education at UC Berkeley, and received his doctorate in cognitive psychology from Carnegie Mellon University in 1985 and a B.Sc. in psychology and anthropology from Trent University.
Peter has been elected as a Fellow of the American Association for the Advancement of Science (AAAS), the American Psychological Association (APA), the Association for Psychological Science, the National Academy of Education, and the ACM Computer-Human Interaction Academy. He is the author of the book “Information Foraging Theory: Adaptive Interaction with Information"  and an Associate Editor for Human Computer Interaction journal.
- Pirolli, P., & Card, S. K. (1995). Information foraging in information access environments. In Proceedings of the Conference on Human Factors in Computing Systems, CHI '95 (pp. 5158). New York: Association for Computing Machinery.
- Pirolli, P., & Card, S. K. (1999). Information Foraging. Psychological Review, 106, 643-675.
- Ed H. Chi, Peter Pirolli, James Pitkow. The Scent of a Site: A System for Analyzing and Predicting Information Scent, Usage, and Usability of a Web Site. In Proc. of ACM CHI 2000 Conference on Human Factors in Computing Systems, pp. 161--168, 581, 582. ACM Press, 2000. Amsterdam, Netherlands.
- SIGCHI Award citation
- Pirolli, P. (2007). "Information Foraging Theory: Adaptive Interaction with Information." New York, NY: Oxford University Press.