Randomly stumbled across this article (weirdly on US tech website cnet) and though it was a good read.
https://www.cnet.com/news/the-osterman-ouster-how-footballs-first-foreign-owner-changed-the-game/
https://www.cnet.com/news/the-osterman-ouster-how-footballs-first-foreign-owner-changed-the-game/