Then, we can conclude saying that all teams in the world have a Product Owner: some time will be the CEO, another ones will be any random HiPPO (Highest Payed Person Opinion) or just a bunch of people doing the same role. The point is to be transparent with this role and understand it .Another case could be that the team is really T-Shape and inside this T there is also business skills and the PO role is inside the team ;) Some thoughts here https://medium.com/@agillemind/business-and-agile-teams-6a43fdc69b91