A showrunner is the person who has the top creative and managerial control over a TV series, guiding the writing, production, and overall direction of the show.

What they do

  • Lead the writers’ room and shape story arcs.
  • Approve or rewrite scripts.
  • Oversee production decisions like casting, scheduling, and budgets.
  • Keep the show’s tone and creative vision consistent from episode to episode.

Simple way to think about it

Think of the showrunner as the TV show’s chief boss : not just a writer, not just a producer, but the person making sure all the moving parts fit together.

Why it matters

On many shows, the director handles a single episode, but the showrunner is responsible for the whole season and often the series as a whole.

TL;DR: a showrunner runs the show creatively and operationally, usually as the senior writer-producer.