The Georgia Model Brain Injury System (GAMBIS) is managed by researchers from Shepherd Center, a comprehensive rehabilitation hospital located in Atlanta, Georgia. Shepherd Center’s brain injury rehabilitation program provides a full continuum of treatment for patients with traumatic brain injury that includes acute care, post-acute rehabilitation, community re-entry, and ongoing community services. Through innovative research and advance medical care, Shepherd Center is committed to helping patients achieve outcomes that make them as independent as possible, and supports their successful return to their homes, schools, workplaces, and communities.

Research Projects

As Lead Center

Title Project Type Start Date End Date
Improving Employment Outcomes of Persons with Moderate/Severe TBI Independent 09/01/2022 08/31/2027

As Participating Center

Title Project Type Start Date End Date
Social Determinants of Health and TBI Independent 09/01/2022 08/31/2027
Engaging Caregivers in Outcome Assessment Across the Lifespan (PASSD-TBI) Modular (Joint) 09/01/2022 08/31/2027
Georgia Model Brain Injury System (GAMBIS)
Brick Johnstone

Shepherd Center, , Georgia


Georgia Model Brain Injury System (GAMBIS)

Research Center Staff

Brick Johnstone, PhD

Principal Investigator

Nicole Thompson, MPH

Project Administrator

Dalton Hill,

Research Coordinator / Data Collector

Kelle Froberg,

Vocational Specialist