Dr. Riyi Shi is the Mari Hulman George Endowed Professor of Applied Neuroscience at Purdue University and Director of the Purdue Center for Paralysis Research. A physician-scientist with over 25 years of research experience, he holds an MD from Jiao-Tong University, a PhD from Purdue, and completed postdoctoral training at UNC. His work focuses on central nervous system trauma and disease, with key contributions including PEG-based neuronal repair, identification of acrolein as a pathological factor, and novel injury models. He has helped advance multiple therapies to clinical trials, including the FDA-approved drug Fampridine, and holds 13 patents.