Nick Spencer is a comic book writer.
 As a comic book writer, he is known for his creator-owned titles at Image Comics ("Morning Glories", "Thief of Thieves", "Bedlam", "The Fix"), his work at DC Comics ("Action Comics", "T.H.U.N.D.E.R. Agents"), and for his current work at Marvel Comics ("Secret Avengers", "Superior Foes of Spider-Man", "Avengers World," "Ant-Man").
Gary Cohn (born January 25, 1952) is an American comic book writer, and co-creator (with Dan Mishkin) of the DC Comics characters Amethyst, Princess of Gemworld and Blue Devil.
Just Imagine... is a comic book published by American company DC Comics.
 It was the first work for DC Comics by Stan Lee, co-creator of numerous popular Marvel Comics characters, in which he reimagined several DC superheroes including Superman, Batman, Wonder Woman, Green Lantern, Aquaman, and The Flash.
 As an in-joke, Lee changes several of the civilian names of most famous DC superheroes to alliterative ones in reference to Lee's tendency to use them for his Marvel Comics characters.
Arnold Drake (March 1, 1924 – March 12, 2007) was an American comic book writer and screenwriter best known for co-creating the DC Comics characters Deadman and the Doom Patrol, and the Marvel Comics characters the Guardians of the Galaxy, among others.
Geoff Johns (born January 25, 1973) is an American comic book and television writer, film producer, and television producer.
 He is the president and Chief Creative Officer at DC Comics; he has served in the latter position since 2010.
 His most notable work in different media has used the DC Comics characters Green Lantern, Aquaman, Flash, and Superman.
 He is known for his work on The WB/The CW's "Smallville", "Arrow" and "The Flash".
The second season of the American television series "Arrow" premiered on The CW on October 10, 2013 and concluded on May 14, 2014 with a total of 23 episodes.
 The series is based on the DC Comics character Green Arrow, a costumed crime-fighter created by Mort Weisinger and George Papp.
 The showrunners for this season were Greg Berlanti, Marc Guggenheim and Andrew Kreisberg.
 This season introduces characters from "The Flash", which was being developed as a potential spin-off at the time.
Gregory Wright (born December 22) is an American comic book editor, writer, and colorist known for his work on such Marvel Comics characters as Spider-Man, the Defenders, the Fantastic Four, Deathlok, and Silver Sable, and such DC Comics characters as Superman and Batman.
Andrew Kreisberg (born April 23, 1971) is an American television writer and producer, and comic book writer.
 He is best known as the creator of the television series "Arrow" (2012–present), "The Flash" (2014–present), "Supergirl" (2015–present), and "Legends of Tomorrow" (2016–present).
Albion is a six-issue comic book limited series plotted by Alan Moore, written by his daughter Leah Moore and her husband John Reppion, with covers by Dave Gibbons and art by Shane Oakley and George Freeman.
 As a result of a deal forged by Vice-President Bob Wayne of DC Comics and Publishing Director Andrew Sumner of IPC Media, it was published through DC Comics' WildStorm imprint.
 The series aimed to revive classic IPC-owned British comics characters such as Captain Hurricane, Robot Archie, The Steel Claw and The Spider (as well as minor characters like Fishboy and Faceache), all of whom appeared in comics published by Odhams Press and later IPC Media during the 1960s and early 1970s, such as "Valiant" and "Lion".
Dan Mishkin (born March 3, 1953) is an American comic book writer, and co-creator (with Gary Cohn) of the DC Comics characters Amethyst, Princess of Gemworld and Blue Devil.

Question: This American television writer and producer, and comic book writer is a showrunner for a popular show based on DC Comics Characters
Answer: Andrew Kreisberg