Dear God, I can't believe I'm reading this. DP, JA, just rock up and offer your services. That seems to be what everyone else has done. I don't think you will be turned down, but I don't think anyone will get a personal invitation.
And I have never met JJ, but I know how much he has done for the club. I don't think he is brusque, I just think he has a cavalier attitude to punctuation, and I don't intend that as a criticism.