gatekeepergate·keep·er /ˈgeɪtˌkiːpə-ər/ noun [countableC]1MARKETING someone in an organization who has a lot of influence over which products it buys, which company it buys them from etcFor technology gatekeepers, the challenge is to keep ahead of new computer developments.
2informalJOB someone in an organization who decides who should deal with particular enquiries and customers. Gatekeepers may also restrict who is allowed to talk to certain people in the organizationThe receptionist has an important role to play as the firm’s gatekeeper.