Ceres Doyle
From Tardis Wiki, the free Doctor Who reference
Ceres Doyle was assistant editor for every episode from Rose to Gridlock. Beginning with Daleks in Manhattan, she was credited as visual effects editor and retained that title into series 5. On the mini-episodes Time Crash and Music of the Spheres, she was the full editor.
She also was heavily involved in the post-production of Doctor Who: The Ultimate Guide and was one of the main editors of The Sarah Jane Adventures.