Mileina Vashti

She's the daughter of Ian Vashti and she makes her debut in the second season of Gundam 00. She's the Ptolemy's operator and engineer of Celestial Being.

Celestial Being
Being the daughter of Celestial Being member Ian Vashti, she was part of the organization by default and learned much about engineering, GN Technology, and programming while growing up.

Ian Vashti
Daughter to Ian, he raised her under Celestial Being and taught her everything she knows about engineering.