He holds an adjunct appointment at the University of Alabama at Birmingham, as an Assistant research Professor of Neurology. In 2001, Dr Caldwell was named a Bail O' Connor Scholar of The March of Dimes Birth Defects Foundation for his research into the molecular basis of childhood birth defects of the brain. Dr Caldwell is a recipient of grants from The March of Dimes, National Institutes of Health, Dystonia Medical Research Foundation, Parkinson's Disease Foundation, National Parkinson Foundation, and the Bachmann-Strauss Dystonia Details Book