Hello, ISTJers. Can I ask for some advice? I have been landed with a management job I didn't want because of a colleague's illness. I have been asked to have a word with one of my colleagues about his professional behaviour which is exemplary but not going along with the corporate needs. He believes that there is one way to do things and it is his way, and I can tell you that his way is of very high quality, but unfortunately the company/our workplace cannot afford that way of working. We are a not-for-profit organisation, we have deadlines to meet, and his inflexibility is threatening those deadlines. Also if all of the team held that view and did what they preferred we would be in deep, deep shit, so it is unfair to let him get along with it when others are compromising. That last bit was my view.
So I am ENTP and my colleague is ISTJ, and I have no idea whether he has any respect for me or not...I think maybe he has some respect for me, thinks I am clever but a bit weird and should brush my hair more often :) I used to actually be his boss before he got promoted and we got on OK, which helps, I guess.
How should I approach him, how can I persuade him to work like one of the team?