Derek HaasWriting · b. 1970 · Austin, Texas, USAShareDerek Haas is a writer and producer. He is also a creator of the TV shows Chicago Fire, FBI: International and Countdown.Known forAdd8.4Chicago Fire2012 · Series · CreatorAdd7.6FBI: International2021 · Series · CreatorAdd7.3Countdown2025 · Series · CreatorYearPopularTop ratedCreatedAdd7.3Countdown2025 · Series · CreatorAdd7.6FBI: International2021 · Series · CreatorAdd8.4Chicago Fire2012 · Series · Creator
