investment bank
He and his wife now live in Beverly Hills, California, where he is an investment banker.
We were all working as bankers or investment bankers or in the ad business, trying to make a million dollars in two years.
It's time to put an end to the cozy relationship between analysts and the Wall Street firms' investment bankers.

investment banker | Business English

investment banker
noun[ C ]
 BANKING, FINANCEukus
someone who has an important job in an investment bank