Complex sentence: Brangham was a producer, cameraman and occasional correspondent on "Need to Know" for its entire run, and also served as an adjunct professor at the Columbia University Graduate School of Journalism for a year.
Split into simpler sentences: Brangham was a producer, cameraman, and occasional correspondent on "Need to Know" for its entire run. Besides, he served as an adjunct professor at the Columbia University Graduate School of Journalism for a year.