Caroline Miousse is an assistant art director at Ubisoft Montreal. She was responsible for the design and 3D building of the amazingly accurate and beautifully detailed Notre-Dame in Assassins Creed: Unity. Miousse also worked on Assassins Creed II (Florence/Firenze map), Assassins Creed: Brotherhood, Assassins Creed III and Prince of Persia.
Here is her Linked-In Bio.
Below are some examples of her work from Assassins Creeds II and Unity:
Below is the topology data Miousse used to accurately model Notre-Dame