How to Talk to Your Manager Before You Transfer

If you're worried that your manager might say, great, you're a product manager on my team. Yay, Verily! Let it be done now. Maybe there's a worry that the work you're doing on your team is hard to replace and that the other members of your team don't know how to do your work. In which case, it might be good to spend some time first doing some knowledge sharing and ramping up the people on your team so that when you leave, it doesn't leave a gaping hole.