From Longman Dictionary of Contemporary Englishmovie/media/gambling etc mogulmovie/media/gambling etc mogulPOWERa businessman or businesswoman who has great power and influence in a particular industry → mogul
Examples from the Corpus
movie/media/gambling etc mogul• Under normal circumstances Chaplin may well have simply thrown the eminent movie mogul a mere passing glance of recognition.• The movie moguls were taking it up.