There are several types of bankers these are bank tellers (banking customer service representatives who verify the identity of customers and process requests for deposits to and withdrawals), personal/retail bankers (purchase of certain bank products like CDs or to open an investment account), investment bankers (use financial analyses, statistics and modelling techniques to provide guidance and advice on investment-related decisions to raise money/capital for companies) and merchant bankers (when the bank itself will provide capital as an investment to the private sector).