A real estate broker who is licensed to supervise other real estate brokers, Every real estate firm must have a managing broker who is responsible for supervising the firm’s agents. Here in Washington, the legal term is Managing Broker and is defined by statute.
The Managing Broker is "the boss." If you have a concern about the services you've received from your real estate agent, you need to talk to the Managing Broker. Technically, that person is who you have hired (and who, in turn, has appointed your agent to work directly with you).