John Tinker.

About John Tinker

John Tinker is an American television producer and writer. He is the co-creator of the CBS drama Judging Amy and has been an executive producer and writer on American television shows including NBC's St. Elsewhere, the CBS drama Chicago Hope, the ABC drama The Practice, and the NBC drama The Book of Daniel. He developed the television series Chesapeake Shores for the Hallmark Channel and was the executive producer and co-writer on the Hallmark Hall of Fame movie Love Locks. He was the showrunner/writer/executive producer of When Calls the Heart for its eighth and ninth seasons.