A "Senior Banker" is - within a bank - in charge of the management of the relationship with a client, at a very senior level. In the bank's hierarchy of functions/titles the Senior Banker comes above the following levels (in decreasing order of Seniority): (i) the GRM (which stands for Global Relationship Manager); (ii) the RM (Relationship Manager); and (iii) the Credit Analysts.

To know more about it, look at what we have already written on this subject