Professor Kazuo Tsubota is chairman of the Department of Ophthalmology, Keio University School of Medicine in Tokyo, Japan, his alma mater where he received his medical degree in 1980. Prof. Tsubota is an internationally recognized ophthalmologist, and was the first Japanese recipient of the American Academy of Ophthalmology Honor Award in 1994. He is author of more than 600 scientific peer reviewed articles. As most ocular diseases are related to aging, he began to explore aging research in 1999 and now focuses on aging and anti-aging research from the molecular level to clinical application. What motivates him is the desire to contribute to a prosperous and long-lived society, reductions in health-care costs, and above all, improved health and happiness for individuals in an aging population.