Aubrey de Grey is a British biomedical gerontologist and author. He is known for his research on aging and his advocacy for rejuvenation biotechnology. De Grey's work focuses on identifying and developing strategies to combat the aging process, with the goal of extending human lifespan and promoting healthier aging. He has written extensively on the topic and is recognized as a leading figure in the field of longevity research. De Grey's innovative ideas and vision for the future of aging have sparked important discussions and advancements in the scientific community.