linkman

/ˈlɪŋkmən/
noun
  1. A person who acts as a connection or intermediary between two or more groups, people, or organizations.
    • She served as a linkman between the local community and the city council.
    • In the negotiations, a neutral linkman was chosen to relay messages.
    • The linkman helped the two companies communicate during the merger.
  2. A person who introduces or connects guests on a television or radio program, especially a talk show or game show.
    • The linkman announced the next segment and introduced the musical performer.
    • The linkman welcomed the guests and kept the conversation flowing smoothly.
    • As the show's linkman, he had to remember everyone's name and role.