Dr. Koerner graduated from The Ohio State University in 1992 with a primary focus on refractive surgery consultation, treatment of eye diseases and fitting of specialty contact lenses. He was V.P. of Professional Eye Care Associates for 26 years before joining Clarkson Eyecare in 2020. Dr. Koerner is a long standing member of the American Optometric Association.
He live with his wife Robbin in Columbus, Ohio, and has two daughters, Jennifer and Julia.
The Ohio State University