George Frederick "Chip" Johannessen[3] (born November 16, 1955) is an American writer, editor, and producer of several popular television series.

In 2005 he joined the crew of freshman science fiction series Surface as a consulting producer and writer.

Johannessen replaced Clyde Phillips as executive producer and show runner for the fifth season of the Showtime drama series Dexter.

Johannessen left the crew after the fifth season and was replaced as show runner by executive producer Scott Buck.

Johannessen remained with Showtime as a producer for the new original drama series Homeland which was developed by his The X-Files and 24 colleagues Alex Gansa and Howard Gordon.

[5][6] In 2019, Johannessen joined other WGA members in firing his agents as part of the Guild's stand against the ATA after the two sides were unable to come to an agreement on a new "Code of Conduct" that addressed the practice of packaging.