Jane Espenson
From Tardis Wiki, the free Doctor Who reference
Jane Espenson is an American television writer who was on the writing staff for Series 4 of Torchwood. She wrote the scripts for Dead of Night, The Categories of Life, Immortal Sins and co-wrote End of the Road and The Blood Line, as well as writing the motion comic Torchwood: Web of Lies.
She has worked as a writer and producer on Buffy the Vampire Slayer, the revived Battlestar Galactica and its prequel series Caprica. Her other writing credits include episodes of Star Trek: Deep Space Nine, Buffy spin-off Angel and Dollhouse.