He grew up, for the most part, in
Chicago, Illinois. Sullivan founded the U.S. TV listing website
The Futon Critic in January 1997. Sullivan's first foray into show business was with the original web series
.comEDY, which he created for The Futon Critic. He participated in the 2014 Warner Bros. Writers Workshop. He next co-penned the season's twelfth episode "Uprising", with executive story editor
Beth Schwartz. It revealed the evil origins of
The Dark Archer/Malcolm Merlyn. The two re-teamed for the 16th episode, "The Offer". Sullivan and Sokolowski co-wrote a teleplay, based on a story by co-executive producer Jake Coburn for the nineteenth installment, "Broken Arrow"; which saw the departure of series regular
Colton Haynes (
Roy Harper / Arsenal). He co-wrote the teleplay for "Al Sah-him" with Emilio Ortega Aldrich, that Schwartz wrote the story for; and lastly he co-wrote, with Sokolowski, the teleplay for the 22nd episode, "This Is Your Sword", with co-executive producer
Erik Oleson providing the story. During the 2015 Winter Television Critics Association tour, The CW announced a new 6-part animated series,
Vixen, centered on
the DC heroine, that premiered in August of the year. It shares the same universe as
Arrow and sister-series
The Flash. The series is written by
Keto Shimizu, Sullivan,
Arrow showrunner
Wendy Mericle, and comic book writer Lauren Certo. At the start of season four of
Arrow, Sullivan was named an executive story editor. He first co-penned, along with script coordinator
Oscar Balderrama, the fifth episode, "Haunted". It featured an anticipated guest appearance by
John Constantine (
Matt Ryan), from the
canceled NBC series. Sullivan co-wrote the season's ninth episode, "Legends of Yesterday". ==References==