Expert debriefing is a method used to ensure a company does not lose the personal knowledge that an employee has built up if the respective employee leaves the company.
A fishbowl is a form of dialog that can be used to discuss controversial topics within a large group in a way that allows everyone in the group to contribute.
A flipped classroom is a combination of learners preparing content on a topic in their own time and classroom training in which they discuss the content together and apply the knowledge they have built up.