I received my Ph.D. degree in Neuroscience from the University of Pennsylvania and completed postdoctoral fellowships in neurochemistry and developmental neurobiology at the University of Pittsburgh. I began my independent career in the Department of Pharmacology at Vanderbilt University and later relocated to the Florida State University College of Medicine in 2015. Gregg is the Associate Director of the Center for Brain Repair and a member of the FSU Program in Neuroscience. Gregg has received support from the National Institutes of Health and a number of foundations, including the Brain & Behavior Research Foundation, the Southeastern Coastal Center for Agricultural Health and Safety, AAALAC International, the Pediatric Neurotransmitter Disease Foundation, and the PhRMA Foundation.