He has extensive clinical and research experience in neurocognitive assessment and in rehabilitation interventions for people with brain injury. As an American Indian with origins in the Eastern Band of Cherokee Indians, Dr. Nelson is also engaged in research, education, and training to improve the health and well-being of Native Americans. His research uses a community-based approach to ensure that all activities result in long-term improvements in the lives of participating community members. His past efforts include extensive assessment and rehabilitation of soldiers returning from military deployment with blast-related brain injury.