Claim: Mark Wilding is a winner of the Writers Guild of America Award for Best New Series and an Emmy-nominated television producer and screenwriter who has worked on the series Grey's Anatomy, Private Practice and the supernatural drama Charmed.
Evidence: He was nominated for two Emmys for his work as executive producer on the series Grey's Anatomy, and won a Writers Guild of America Award for Best New Series as a writer on the same show. He has also worked on Private Practice and Charmed. Mark Wilding is an American television producer and screenwriter. Charmed is an American supernatural fantasy drama television series created by Constance M. Burge and produced by Aaron Spelling and his production company Spelling Television, with Brad Kern serving as showrunner.