Famous for producing the hit ITV comedy series Mr. Bean and the BBC2 sitcom Coupling, she is also known for her work on the Doctor Who and the Curse of Fatal Death serial.
Early in her career, she produced a made-for-TV movie titled The Last Englishman.
By early 2015, she had nearly 55,000 Twitter followers.
Her marriage to television writer Steven Moffat resulted in sons named Joshua and Lewis. She is the daughter of television producer Beryl Vertue.
She produced Gimme Gimme Gimme, a late 1990s and early 2000s British sitcom starring Kathy Burke and James Dreyfus.