Cortana is a fictional artificially intelligent character in the Halo video game series. Voiced by Jen Taylor, she appears in Halo: Combat Evolved and its sequels, Halo 2, Halo 3, Halo 4, and Halo 5: Guardians.

How did Cortana become human?

Cortana was created using a flash cloned copy of Dr. Catherine Halsey's brain. ... She was one of at least two AIs that were created from Dr. Halsey's brain, the other being her predecessor, Kalmiya, who was a similarly-smart AI.

Who is the person behind Cortana?

The development of Cortana started in 2009 in the Microsoft Speech products team with general manager Zig Serafin and Chief Scientist Larry Heck.