Dr. Dennis Ruskin graduated from the University of Waterloo in 1976 with a Doctor of Optometry degree, the same year he established his full scope practice in Toronto, Ontario. In 1989, he became a fellow of the American Academy of Optometry. Dr. Ruskin has been an appointed advisory member to various committees within the provincial government, College of Optometrists of Ontario, Ontario Association of Optometrists, pharmaceutical corporations. He is a past president of the College of Optometrists of Ontario, the regulatory body that licenses and regulates optometrists. As well, he has had a clinical affiliation with the Vision Institute of Canada and has served as examiner for the Canadian Examiners of Optometry. He lectures to eye care professionals in North America. Dr. Ruskin has an interest in nutrition and its impact on ocular and systemic disease. He is a founding board member of the Ocular Wellness and Nutrition Society, founding chair of the Ocular Nutrition Special Interest Group of the American Academy of Optometry (AAO), and a member of the Nutrient, Disease Prevention and Wellness Special Interest Group of the AAO.