Johannesen worked as a senior writer and executive producer on Showtime series Homeland (2011–2020).
SEASON 3 (4/30)
SEASON 4 (5/32)
SEASON 5 (3/32)
- Johannesen was adamant in curating a perception of Kelly Taylor as a character that did away with the misogynistic "blonde b**bo" stereotype, inspired by the degrading perceptions to which blondes are subjected, including his wife who is also blonde
- Charles Rosin hired Johannessen based on a scene Johannessen wrote for an episode of L.A. Law.