Dr. Aubrey de Grey is one of the leading figures in anti-aging research. His work centered on a detailed plan called Strategies for Engineered Negligible Senescence (SENS), which is aimed at preventing age-related physical and cognitive decline. In March 2009, he cofounded the SENS Research Foundation (named SENS Foundation until early 2013), a non-profit organisation based in California, United States, where he currently serves as Chief Science Officer He is the Chief Science Officer of the SENS Research Foundation and VP of New Technology Discovery at AgeX Therapeutics, Inc He is editor-in-chief of the academic journal Rejuvenation Research, author of The Mitochondrial Free Radical Theory of Aging (1999) and co-author of Ending Aging (2007). He is known for his view that medical technology may enable human beings alive today not to die from age related causes