Aino Corry is an expert in Agile and specifically in retrospectives: these are special type of meetings a team must conduct by the end of a sprint, a phase, or the entire project.
Aino's twitter is here: https://twitter.com/apaipi?lang=en
Aino's website: https://metadeveloper.com
And the book is here: https://amzn.to/3fREDOQ
The video is here: https://youtu.be/ByatpkT2-tI