Jane Espenson

Jane Espenson is an American television writer who was part of the writing staff of series 4 of Torchwood. She personally wrote the scripts for Dead of Night, The Categories of Life, Immortal Sins and co-wrote End of the Road and The Blood Line. She also wrote the motion comic Torchwood: Web of Lies which accompanied the series.

Career
Prior to Torchwood, she worked as a writer and producer on Buffy the Vampire Slayer, and also wrote for its spin-off series, Angel, as well as the revived and its prequel series. She also co-created, and her other writing credits include and Star Trek , making her one of only two writers (the other being John Shiban) to have written televised episodes in both the   Doctor Who and  Star Trek franchises.