Dr. Arisa earned his medical degree from the University of Nigeria College of Medicine. He completed an internship at the Calabar Teaching Hospital and a residency at the National Orthopedic Hospital, both in Nigeria. Dr. Arisa received post-graduate training in psychiatry at St. John of God/St. Vincent's University Hospital in Dublin, Ireland. He completed a residency in psychiatry at Texas Tech University Health Sciences Center in Lubbock, where he was a chief psychiatric resident.