Isis Yorke is a child of Megan, the former chief of the Facilitators, and a student from the days of Rufus Yorke, the previous Archmage of the Federation. She is one of the new wave of appointments to senior government positions that have happened under the regime of President Troy-Abrahams.
The Archmage has reponsibility for the licensing of sorcerers and ritualists in the Federation, and for the training of Magic.