Paul Zbyszewski was a co-executive producer on the first and second season and an executive producer on the third and fourth season of Agents of S.H.I.E.L.D.. He was also the showrunner and an executive producer of Helstrom.
He also wrote the Agents of S.H.I.E.L.D. episodes FZZT, The Magical Place, End of the Beginning, Nothing Personal, Heavy is the Head, ...Ye Who Enter Here, Devils You Know, Parting Shot and The Laws of Inferno Dynamics, and the Helstrom episodes Mother's Little Helpers and Hell Storm.
He was also to be the co-showrunner and an executive producer of Most Wanted, as well as an executive producer of Ghost Rider.