Few concepts have made their way from academic psychology into the lexicon of the boardroom as quickly as psychological safety. The term was coined in its modern sense by Harvard professor Amy Edmondson, who defines it as “a shared belief held by members of a team that it is safe to take interpersonal risks” (e.g., asking a question, admitting a mistake, or challenging a decision) (Edmondson, 1999). A landmark study of 180 teams by Google, called Project Aristotle, found some