John Mack founds the Program for Extraordinary Experience Research
- When
- Where
- Cambridge, MA
- Sources
- 2 public sources

Harvard psychiatrist John E. Mack started PEER through his Center for Psychology and Social Change, with funding from Laurance Rockefeller, to study how reported alien encounters affected people's lives and worldviews, without trying to prove or disprove them. It ended in 2002.