Previously, she was the head of the Labs at Ad Meliora. During AM's hiatus, she got divorced, lost her dad, moved to Houston, worked for Halliburton and bought a cat. She doesn't like animals much, but her apartment did get lonely at night (SHE WILL NEVER ADMIT TO THIS) and a cat seemed like the remedy that required the least maintenance. Houston was nice, but she's glad to be back in Victory.
Well, she's mostly glad. She's been demoted from the head of Labs to a senior member of R&D's staff. She's a physicist first and foremost, but has some knowledge of engineering. Mostly, she helms the more sci-fi-ish projects. Holodecks, mecha suits, bionic limbs, etc. Sometimes she looks at her life and asks how she got here, but she can't deny that the work is intellectually stimulating.
Bree is bossy and confident, but she's trying to come to terms with the fact that she's not the head of the department she works in. She'll be its head one day, oh yes, but she's not there yet. Off the job, she's funny, light and generally good-natured. She's really into DIY and arts and crafts and her whole apartment looks like it was bought off Etsy. But she made that shit herself, guys! Be impressed.