merchant banker       
noun [ C ] uk/ˌmɜː.tʃənt ˈbæŋ.kər/ us/ˌmɝː.tʃənt ˈbæŋ.kɚ/
 商业银行家
someone with an important position at a merchant bank
  He had a job offer as a merchant banker after graduating. 毕业后,有银行想聘他担任商业银行家。 
 See: merchant bank
 - More examples
 - He and his brothers were merchant bankers, and they were rolling in it.
 - The appointment of merchant bankers like this is a standard commercial practice when you are handling a sale as large and complex as this.
 - The regulators who police the rules know there is going to be change, and so do the merchant bankers who factor deals.
 - Even a merchant banker would struggle to afford to live there today.