showrunnernoun [ C ]
uk/ˈʃəʊˌrʌn.ər//ˈʃoʊˌrʌn.ɚ/a person who is in charge of a TV series and has control over creative and management decisions that relate to it:
"Grey's Anatomy" showrunner Shonda Rhymes was interviewed about her new show.
Synonym
executive producer