(business) A person who is in charge of sales to one or more named customers or to a specified segment of the market, especially in B2B marketing; supposedly refers to a somewhat more responsible job than the term salesman.
Account-manager Sentence Examples
Before you commit, ask your account manager if navigating narrow streets will be a problem.
Based on your question, that person is probably your account manager.
Brian, age 27, lives in San Francisco and works as an account manager.