My bad, I am not a big fan of RACI matrix (or Responsibility Assignment Matrix). I mean if you’re working in a small product team or company, I am not sure why you need a RACI matrix to tell what you’re responsible for, accountable for, to be consulted or to be informed. If you do, then you’re just not a team player or you don’t know what you are doing – and somehow you need someone to tell you.
If you’re working in a big organization, RACI matrix will only overload you, as no one really know what you are already responsible for, accountable for, to be consulted or to be informed. The project / product owners will just keep adding responsibility to you. After all, who can really differentiate “responsible” and “accountable” ?
My suggestion ? Let the team(s) focus in delivering results, in an empowered and collaborative way. You will be surprised by what the teams can deliver.