Regular, well-run retrospectives are critical to the ongoing improvement of an Agile team. In theory, scaling this process into an enterprise-wide activity sounds like a great idea. The reality of large scale retrospectives is quite different, however.
Watch Laura Richardson and Joel Bancroft-Connors talk about the value of the Large Scale Retrospective in a recorded meetup with Bay Area Agile Leadership. https://vimeo.com/428293869