![SNG DoctorTeam_Spring2022-web a photo of all Sierra Neurosurgery Team](https://www.sierraneurosurgery.com/wp-content/uploads/2022/08/SNG-DoctorTeam_Spring2022-web.png)
SIERRA NEUROSURGERY MANAGEMENT TEAM
![Christopher P. Demers](https://www.sierraneurosurgery.com/wp-content/uploads/2018/12/Christopher-P.-Demers-MD-FAANS.jpg)
Christopher P. Demers
MD, FAANS, MANAGING PARTNER
![Flora Gallegos](https://www.sierraneurosurgery.com/wp-content/uploads/2019/03/Flora-Gallegos-Executive-Director.jpg)
Flora Gallegos
CEO
![Shanna Carpenter](https://www.sierraneurosurgery.com/wp-content/uploads/2019/03/Shanna-Carpenter-Pain-Management-Clinic-Supervisor.jpg)
Shanna Carpenter
PAIN MANAGEMENT
CLINIC SUPERVISOR
![Monica Grulli](https://www.sierraneurosurgery.com/wp-content/uploads/2019/03/Monica-Grulli-RN-Neurosurgery-Clinical-Supervisor.jpg)
Monica Grulli
RN, NEUROSURGERY
CLINIC SUPERVISOR
![Josephine Acharon](https://www.sierraneurosurgery.com/wp-content/uploads/2022/12/SNG-Josephine-Acharon.png)
Josephine Acharon
FRONT OFFICE SUPERVISOR
![Helen Bolstad](https://www.sierraneurosurgery.com/wp-content/uploads/2022/12/SNG-Helen-Bolstad.png)
Helen Bolstad
MARKETING DIRECTOR
![Jenny Penrod](https://www.sierraneurosurgery.com/wp-content/uploads/2023/08/SNG-Jenny-Penrod-Web.png)
Jenny Penrod
REVENUE CYCLE MANAGER
![Andy Koszuth](https://www.sierraneurosurgery.com/wp-content/uploads/2019/03/Andy-Koszuth-I.T.-Supervisor.jpg)
Andy Koszuth
I.T. SUPERVISOR