Gregor was part of the Dragon empires placement teams that installed the Er'aura into the fortresses. He fell into the Dreaming when  magic disappeared. 

Gregor joined IS51 in 009 AE and in 012 AE became the Leader of Unit 027.

In 020 AE he helped protect a Er'aura on Vancouver island from Orientani attack along the newly formed Unit 098.  He met the new guardian Hannah, and became her tutelar. Unit 027 was reassigned to protection duty for Hannah and the Vancouver Crystal.