He is the Director of the HIV Neurobehavioral Research Program (HNRP), which includes the California NeuroAIDS Tissue Network (CNTN), the Translational Methamphetamine AIDS Research Center (TMARC), the HIV Neurobehavioral Research Center (HNRC), the CNS HIV Antiretroviral Therapy Effects Research (CHARTER) and the University of California Center for Medicinal Cannabis Research (CMCR). Dr. Grant is the founding Editor of the Journal of the International Neuropsychological Society and founding co-editor of the journal AIDS and Behavior.