Marc Guggenheim is leaving his role as co-showrunner and executive producer on ABC's "FlashForward."
 
According to The Hollywood Reporter, this will leave series co-creator David Goyer as sole showrunner for "FlashForward," which recently received its back-nine order from ABC.
 
The "FlashForward" pilot was written by Goyer and Brandon Braga with the knowledge that Braga would always be concentrating his efforts on the new season of FOX's "24." Guggenheim, previously co-creator on "Eli Stone," was brought in after that initial episode to ease Goyer's transition and get "FlashForward" progressing on the desired track.
 
Now the trade paper says that Guggenheim will focus on developing his own shows under an overall deal with ABC Studios.
 
The transition is being compared to a similar move on CBS' "The Good Wife." On that first-year hit, co-creators Michelle and Robert King are taking over as showrunners with Dee Johnson passing the reins.
 
While the trade story paints Goyer as a neophyte in need of coaching, his previous executive producing TV credits included "Sleepwalkers" and "Threshold," as well as "Blade: The Series."
 
After pulling a major upset by beating "Survivor" in its premiere week, "FlashForward" has settled into a comfortable second-place position on Thursday nights, getting an extra boost from DVR numbers.