probability of moving up to a private banker via a service role is about 0.1%, and you might need to wait 10 years and beyond.

You need everyone to love you, the private banker to love you and he wants to retire, and the team manager has no other people to pass the portfolio to, but since he also loves you. decides to throw you a bone and groom you. which is almost next to impossible.

You need luck, skills, discipline and loads of patience