Dr. Twyman spent over 19 years at Janssen Research & Development (part of the Janssen Pharmaceutical Companies of Johnson & Johnson) in CNS development, holding roles of increasing responsibility. Most recently, Dr. Twyman was Senior Vice President in the Neuroscience Therapeutic Area at Janssen. In this role, he had responsibility to oversee the Alzheimer’s Disease Area across all stages of R&D, including oversight of Neuroscience Experimental Medicine group covering clinical development from first time in human to proof of concept. Prior to joining Janssen in 1998, Dr. Twyman held professorships in neurology at University of Michigan and University of Utah and gained his MD from University of Kentucky.