Dr. Walker attended medical school at the University of Cincinnati and did his residency at Highland General Hospital, Oakland, CA and Jewish Hospital, Cincinnati, OH. He completed his residency in Ophthalmology at Ohio State University.
He is active in clinical practice in the above two specialties; also a clinical professor at a local medical school, and active with local free clinic projects using telemedicine to identify patients with diabetic retinopathy before severe damage develops. Dr. Walker is also involved with projects in developing countries including Nicaragua, Honduras, and Fiji.