Ali R. Rezai is an Iranian-born American neurosurgeon and neuroscientist. His work and research has focused on neuromodulation treatments for patients with neurological and mental health conditions, including neuromodulation techniques such as deep brain stimulation through brain chip implants to treat Parkinson's disease tremors, obsessive–compulsive disorder, Alzheimer's disease, traumatic brain injury, spinal cord injury, and addiction. From Wikipedia