The Button is a comic book that is a buildup toward the event written by which creative officer?
The Button (comics):  The story arc consists of four issues from DC's Batman and Flash publications, functioning in part as a larger buildup towards the "Doomsday Clock" event. Doomsday Clock (comics):  The series is being written by DC's chief creative officer Geoff Johns with art from penciller Gary Frank and colorist Brad Anderson.
Geoff Johns