I also often feel like my pdoc doesn't listen to me. I often end up changing pdocs for that reason. I think it's a difficult one. They are the experts after all. But I do think maybe you need to ask why he is making these decisions. And what kind of progress to expect. If it doesn't materialise, put down a time-frame and ask what the next plan of action is. You need to see results, so don't give up until you are completely happy with the decision and where you are heading. i