Dr. Donald D. Guerrier graduated from The New England College of Optometry in 1994. He did a Residency at the Boston Veteran Administration Hospital outpatient clinic. During and after his residency, Dr. Guerrier also taught a variety of courses such as Anatomy, Treatment and Management of Ocular Disease, and Optics in a summer program designed to prepare students accepted to the four year doctorate degree at The New England College of Optometry.

Dr. Donald Guerrier is currently involved in Vision for Vision, a charity created by his wife to collect eyeglasses and provide eye examinations to underserved communities in Haiti. Dr. Donald Guerrier is fluent in English, French, Spanish, and Haitian Creole.