Person
Writing · Age 56
Derek Haas is a writer and producer. He is also a creator of the TV shows Chicago Fire, FBI: International and Countdown.
Writer
Writer · Story · Teleplay
Writer · Age at release: 46
Writer · Story
Writer · Teleplay
Writer · Age at release: 41
Screenplay · Age at release: 37
Screenplay · Age at release: 33
Story · Screenplay · Age at release: 32
Writer · Age at release: 31
Novel
Executive Producer
Executive Producer · Age at release: 46
Producer · Age at release: 41
Creator
self