press baron
From Longman Dictionary of Contemporary EnglishRelated topics: Newspapers, printing, publishingpress baronˈpress ˌbaron noun [countable] British English BBCTCNsomeone who owns and controls one or more important national newspapersExamples from the Corpuspress baron• A press baron is an immensely powerful figure.From Longman Business Dictionarypress baronˈpress ˌbaron (also media baron) someone who owns several newspapers and is therefore important and has a lot of influence → baron