Faculty & Staff Directory Home / For Providers & Researchers / Take Action / Faculty & Staff Directory / Alexander Greven, MD Alexander Greven, MD Neurosurgery Resident PGY-3 Current Program: Neurosurgery Residency Start Year: 2022 Medical School: Emory University School of Medicine Undergraduate Institution: Emory University Alexander Greven, MD Neurosurgery Resident PGY-3 Current Program: Neurosurgery Residency Start Year: 2022 Medical School: Emory University School of Medicine Undergraduate Institution: Emory University