showrunner       
noun [ C ] uk/ˈʃəʊˌrʌn.ər/ us/ˈʃoʊˌrʌn.ɚ/
 (电视连续剧)制作人
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. 《实习医生》的制作人珊達·萊梅斯就她的新剧接受了采访。 
 Synonym: executive producer