Phernell Walker is a nationally renowned and sought after speaker with a passion for optics and optometric business strategy. His published textbook, Pure Optics, is used in Optometry and opticianry colleges. Walker is one of only a few hundred people to earn the Master in Ophthalmic Optics (ABOM). He is certified by the both the American Board of Opticianry (ABOC) and National Contact Lens Examiners (NCLEC). He currently serves as the Vice President of Optometric Relations at Eyefinity, a VSP Vision™ company, and as the Chair of the American Board of Opticianry.